English-Thai Dictionary
rubicon
N ชื่อ แม่น้ำ ใน ภาคเหนือ ของ อิตาลี
rubicund
ADJ แดง (หน้า แดง เรื่อ (หน้า reddish ruddy dang
rubidium
N ธาตุ โลหะช นิดหนึ่ง ที่ คล้าย โพแทสเซียม
rubiginous
A สีน้ำตาล แก่ อม แดง สี สนิม
Webster's 1828 Dictionary
RUBICAN
a.[L. rubeo, to be red. ] Rubican color of a horse, is a bay, sorrel or black, with a light gray or white upon the flanks, but the gray or white not predominant there.
RUBICEL
n.[L. rubeo, to be red. ] A gem or mineral, a variety of ruby of a reddish color, from Brazil.
RUBICUND
a.[L. rubicundus.] Inclining to redness.
RUBIED
a.Red as a ruby; as a rubied lip; rubied nectar.
RUBIFIC
a.[L. ruber and facio.] Making red; as rubific rays.
RUBIFICATION
n.The act of making red.
RUBIFORM
n.[L. ruber, red, and form. ] Having the form of red; as, the rubiform rays of the sun are least refrangible.
RUBIFY
v.t.[L. ruber, red and facio, to make. ] To make red. [Little used. ]
RUBIOUS
a.[L. rubeus.] Red; ruddy. [Not in use. ]
Webster's 1913 Dictionary
RUBIACEOUS
Ru `bi *a "ceous, a. Etym: [L. rubia madder, fr. rubeus red. ] (Bot. )
Defn: Of or pertaining to a very large natural order of plants (Rubiaceæ ) named after the madder (Rubia tinctoria ), and including about three hundred and seventy genera and over four thousand species. Among them are the coffee tree, the trees yielding peruvian bark and quinine, the madder, the quaker ladies, and the trees bearing the edible fruits called genipap and Sierre Leone peach, besides many plants noted for the beauty or the fragrance of their blossoms.
RUBIACIN
Ru "bi *a *cin, n. Etym: [L. rubia madder, fr. rubeus red. ] (Chem )
Defn: A substance found in madder root, and probably identical with ruberythrinic acid.
RUBIAN
Ru "bi *an, n. Etym: [L. rubia madder, fr. rubeus red. ] (Chem. )
Defn: One of several color-producing glycosides found in madder root.
RUBIANIC
RUBIANIC Ru `bi *an "ic, a. (Chem. )
Defn: pertaining to, or derived from, rubian; specifically, designating an acid called also ruberythrinic acid. [Obs. ]
RUBICAN
Ru "bi *can, a. Etym: [F.]
Defn: Colored a prevailing red, bay, or black, with flecks of white or gray especially on the flanks; -- said of horses. Smart.
RUBICELLE
Ru "bi *celle, n. Etym: [Cf. F. rubacelle, rubicelle, fr. L. rubeus red, reddish. ] (Min. )
Defn: A variety of ruby of a yellowish red color, from Brazil.
RUBICON
RUBICON Ru "bi *con, n. (Anc. geog.)
Defn: A small river which separated Italy from Cisalpine Gaul, the province alloted to Julius Cæsar.
Note: By leading an army across this river, contrary to the prohibition of the civil government at Rome, Cæsar precipitated the civil war which resulted in the death of Pompey and the overthrow of the senate; hence, the phrase to pass or cross the Rubicon signifies to take the decisive step by which one is committed to a hazardous enterprise from which there is no retreat.
RUBICUND
Ru "bi *cund, a. Etym: [L. rubicundus, fr. rubere to be red, akin to ruber red. See Red. ]
Defn: Inclining to redness; ruddy; red. "His rubicund face. " Longfellow.
RUBICUNDITY
Ru `bi *cun "di *ty, n. Etym: [LL. rubicunditas.]
Defn: The quality or state of being rubicund; ruddiness. To parade your rubicundity and gray hairs. Walpole.
RUBIDIC
RUBIDIC Ru *bid "ic, a. (Chem. )
Defn: Of or pertaining to rubidium; containing rubidium.
RUBIDINE
RUBIDINE Ru "bi *dine ( or ), n. (Chem. )
Defn: A nitrogenous base homologous with pyridine, obtained from coal tar as an oily liquid, C11H17N; also, any one of the group od metameric compounds of which rubidine is the type.
RUBIDIUM
Ru *bid "i *um, n. Etym: [NL. , fr. L. rubidus red, fr. rubere to be red. So called from two dark red spectroscopic lines by means of which it was discovered in the lepidolite from Rozena, Moravia. See Rubicund. ] (Chem. )
Defn: A rare metallic element. It occurs quite widely, but in small quantities, and always combined. It is isolated as a soft yellowish white metal, analogous to potassium in most of its properties. Symbol Rb. Atomic weight, 85.2.
RUBIFIC
Ru *bif "ic, a. Etym: [L. ruber red + facere to make. ]
Defn: Making red; as, rubific rays. Grew.
RUBIFICATION
Ru `bi *fic *a "tion, n. Etym: [Cf. F. rubification. ]
Defn: The act of making red. Howell.
RUBIFORM
Ru "bi *form, a. Etym: [L. ruber red + -form. ]
Defn: Having the nature or quality of red; as, the rubiform rays of the sun. [R.] Sir I. newton.
RUBIFY
Ru "bi *fy, v. t. Etym: [Cf. F. rubéfier. See Rubific. ]
Defn: To redden. [R.] "Waters rubifying." Chaucer.
RUBIGINOSE; RUBIGINOUS
Ru *big "i *nose `, Ru *big "i *nous, a. Etym: [L. rubiginosus, fr. rubigo, robigo, rust: cf. F. rubigineux.] (Bot. )
Defn: Having the appearance or color of iron rust; rusty-looking.
RUBIGO
Ru *bi "go, n. Etym: [L. rubigo, robigo, rust of metals, rust, blight. ](bot. )
Defn: same as Rust, n., 2.
RUBIN
Ru "bin, n. Etym: [Cf. LL. rubinus, It. rubino. See Ruby. ]
Defn: A ruby. [Obs. ] Spenser.
RUBIOUS
Ru "bi *ous, a. Etym: [L. rubeus, fr. rubere to be red. See Rouge. ]
Defn: Red; ruddy. [Obs. ] Shak.
RUBIRETIN
Ru `bi *re "tin, n. Etym: [Rubian + Gr. (Chem. )
Defn: One of the red dye products extracted from madder root, and probably identical with ruberythrinic acid.
New American Oxford Dictionary
Rubicon
Ru bi con |ˈro͞obəˌkän ˈruːbɪkɑːn | a stream in northeastern Italy that marked the ancient boundary between Italy and Cisalpine Gaul. Julius Caesar led his army across it into Italy in 49 bc, breaking the law forbidding a general to lead an army out of his province, and so committing himself to war against the Senate and Pompey. The ensuing civil war resulted in victory for Caesar after three years. • [ as noun ] a point of no return: on the way to political union we are now crossing the Rubicon .
rubicon
ru bi con |ˈruːbɪkɑːn | ▶noun (in piquet ) an act of winning a game against an opponent whose total score is less than 100, in which case the loser's score is added to rather than subtracted from the winner's. ▶verb ( rubicons, rubiconing, rubiconed ) [ with obj. ] score a rubicon against (one's opponent ). ORIGIN late 19th cent.: from Rubicon .
rubicund
ru bi cund |ˈro͞obəˌkənd ˈrubəkənd | ▶adjective (esp. of someone's face ) having a ruddy complexion; high-colored. DERIVATIVES ru bi cun di ty |ˌro͞obəˈkəndətē |noun ORIGIN late Middle English (in the general sense ‘red ’): from Latin rubicundus, from rubere ‘be red. ’
rubidium
ru bid i um |ro͞oˈbidēəm ruˈbɪdiəm | ▶noun the chemical element of atomic number 37, a rare soft silvery reactive metal of the alkali metal group. (Symbol: Rb ) ORIGIN mid 19th cent.: modern Latin, from Latin rubidus ‘red ’ (with reference to its spectral lines ).
rubidium–strontium dating
ru bid i um –stron ti um dat ing ▶noun Geology a method of dating rocks from the relative proportions of rubidium-87 and its decay product, strontium-87.
rubiginous
ru big i nous |ro͞oˈbijənəs ˌruˈbɪʤɪnɪs | ▶adjective technical or literary rust-colored. ORIGIN late 17th cent.: from Latin rubigo, rubigin- ‘rust ’ + -ous .
Rubik's Cube
Ru bik's Cube |ˈro͞obiks ˌrubɪks ˈkjub | ▶noun trademark a puzzle in the form of a plastic cube covered with multicolored squares, which the player attempts to twist and turn so that all the squares on each face are of the same color. ORIGIN 1980s: named after Erno Rubik (born 1944 ), its Hungarian inventor.
Rubinstein, Anton
Rubinstein, Anton |ˈruːbɪnstʌɪn | (1829 –94 ), Russian composer and pianist; full name Anton Grigorevich Rubinstein. He composed symphonies, operas, songs, and piano music.
Rubinstein, Artur
Ru bin stein, Artur |ˈro͞obənˌstīn ˈrubənˌstin | (1888 –1982 ), US pianist, born in Poland. He toured extensively in Europe and the US. Among his many recordings are the complete works of Chopin.
Rubinstein, Helena
Ru bin stein, Helena |ˈrubənˌstin ˈro͞obənˌstīn | (1882 –1965 ), US beautician and businesswoman. She opened her first beauty salon in Australia in 1902 and then opened salons in London 1908, Paris 1912, and New York City 1915. Her organization became an international cosmetics manufacturer and distributor.
rubisco
ru bis co |ro͝oˈbiskō rəˈbɪsˌkoʊ | ▶noun Biochemistry an enzyme present in plant chloroplasts, involved in fixing atmospheric carbon dioxide during photosynthesis and in oxygenation of the resulting compound during photorespiration. ORIGIN 1980s: from r (ib )u (lose ) + bis- + c (arb )o (xyl ).
Oxford Dictionary
Rubicon
Rubicon |ˈruːbɪk (ə )n, -kɒn | a stream in NE Italy which marked the ancient boundary between Italy and Cisalpine Gaul. Julius Caesar led his army across it into Italy in 49 bc, breaking the law forbidding a general to lead an army out of his province, and so committing himself to war against the Senate and Pompey. The ensuing civil war resulted in victory for Caesar after three years. • [ as noun ] a point of no return: on the way to political union we are now crossing the Rubicon .
rubicon
ru ¦bi |con ▶noun (in piquet ) an act of winning a game against an opponent whose total score is less than 100, in which case the loser's score is added to rather than subtracted from the winner's. ▶verb ( rubicons, rubiconing, rubiconed ) [ with obj. ] score a rubicon against (one's opponent ). ORIGIN late 19th cent.: from Rubicon .
rubicund
rubicund |ˈruːbɪk (ə )nd | ▶adjective (especially of someone's face ) having a ruddy complexion. DERIVATIVES rubicundity |-ˈkʌndɪti |noun ORIGIN late Middle English (in the general sense ‘red ’): from Latin rubicundus, from rubere ‘be red ’.
rubidium
rubidium |rʊˈbɪdɪəm | ▶noun [ mass noun ] the chemical element of atomic number 37, a rare soft silvery reactive metal of the alkali metal group. (Symbol: Rb ) ORIGIN mid 19th cent.: modern Latin, from Latin rubidus ‘red ’ (with reference to its spectral lines ).
rubidium–strontium dating
rubidium –strontium dat ¦ing ▶noun [ mass noun ] Geology a method of dating rocks from the relative proportions of rubidium-87 and its decay product, strontium-87.
rubiginous
rubiginous |rʊˈbɪdʒɪnəs | ▶adjective technical or literary rust-coloured. ORIGIN late 17th cent.: from Latin rubigo, rubigin- ‘rust ’ + -ous .
Rubik's cube
Rubik's cube |ˈruːbɪks | ▶noun trademark a puzzle in the form of a plastic cube covered with multicoloured squares, which the player attempts to twist and turn so that all the squares on each face are of the same colour. ORIGIN 1980s: named after Erno Rubik (born 1944 ), its Hungarian inventor.
Rubinstein, Anton
Rubinstein, Anton |ˈruːbɪnstʌɪn | (1829 –94 ), Russian composer and pianist; full name Anton Grigorevich Rubinstein. He composed symphonies, operas, songs, and piano music.
Rubinstein, Artur
Rubinstein, Artur |ˈruːbɪnstʌɪn | (1888 –1982 ), Polish-born American pianist. He toured extensively in Europe and the US and among his many recordings are the complete works of Chopin.
Rubinstein, Helena
Rubinstein, Helena |ˈruːbɪnstʌɪn | (1882 –1965 ), Polish-born American beautician and businesswoman. Her organization became an international cosmetics manufacturer and distributor.
rubisco
rubisco |rʊˈbɪskəʊ | ▶noun [ mass noun ] Biochemistry an enzyme present in plant chloroplasts, involved in fixing atmospheric carbon dioxide during photosynthesis and in oxygenation of the resulting compound during photorespiration. ORIGIN 1980s: from r (ib )u (lose ) + bis- + c (arb )o (xyl ).
Duden Dictionary
Rubia
Ru bia Substantiv, feminin Botanik , die |R u bia |die Rubia; Genitiv: der Rubia Gattung der Rötegewächse, die früher zum Teil zur Farbstoffgewinnung verwendet wurden
Rubidium
Ru bi di um Substantiv, Neutrum Chemie , das |Rub i dium |lateinisch rubidus = dunkelrot; das Metall hat zwei dunkelrote Spektrallinien sehr weiches, silbrig glänzendes Alkalimetall chemisches Element Rb
Rubikon
Ru bi kon Substantiv, maskulin , der |R u bikon |in der Wendung den Rubikon überschreiten bildungssprachlich einen [strategisch ] entscheidenden Schritt tun nach dem Grenzfluss Rubikon [lateinisch Rubico ] zwischen Italien und Gallia cisalpina, mit dessen Überschreitung Cäsar 49 v. Chr. den Bürgerkrieg begann
Rubin
Ru bin Substantiv, maskulin , der |Rub i n |der Rubin; Genitiv: des Rubins, Plural: die Rubine mittelhochdeutsch rubīn < mittellateinisch rubinus, zu lateinisch rubeus = rot 1 Mineralogie roter Korund der Rubin ist einer der kostbarsten Edelsteine | natürlicher, synthetischer Rubin 2 Stück Rubin 1 , aus Rubin 1 bestehender Schmuckstein ein dreikarätiger Rubin | die Uhr hat acht Rubine
Rubinette
Ru bi net te Substantiv, feminin , die ® |Rubin e tte |eine Apfelsorte
rubinfarben
ru bin far ben Adjektiv rubinfarbig |rub i nfarben |rubinrot
rubinfarbig
ru bin far big Adjektiv rubinfarben |rub i nfarbig |rubinrot
Rubinglas
Ru bin glas Substantiv, Neutrum , das |Rub i nglas |das Rubinglas < Plural: Rubingläser > rubinrotes Glas 1 1, 2a
rubinrot
ru bin rot Adjektiv |rub i nrot |von klarem, leuchtendem, tiefem Rot
Rubizell
Ru bi zell Substantiv, maskulin , der |Rubiz e ll |der Rubizell; Genitiv: des Rubizells, Plural: die Rubizelle lateinisch-neulateinisch ein Mineral orange- oder rosafarbener Spinell
French Dictionary
rubicond
rubicond , onde adj. adjectif Très rouge. : Un visage rubicond. Note Orthographique rubicon d.
rubis
rubis n. m. nom masculin Pierre précieuse d ’un rouge vif. : Un collier de rubis et de diamants. LOCUTION Payer rubis sur l ’ongle. Régler ses comptes avec une exactitude scrupuleuse. Prononciation Le s ne se prononce pas, [rybi ] Note Orthographique rubi s.
Spanish Dictionary
rubí
rubí nombre masculino Variedad de corindón (mineral óxido de aluminio ) de color rojo, brillo intenso y gran dureza . VÉASE bodas de rubí . ETIMOLOGÍA Préstamo (s. xv ) del catalán robí, por el color de la piedra. De la familia etimológica de rubio (V.).
rubia
rubia nombre femenino 1 Planta rubiácea cuya raíz sirve para preparar una materia colorante roja usada en tintorería; es propia de las regiones templadas .2 Sustancia que se extrae de la raíz de esta planta .SINÓNIMO purpurina .3 Raíz de esta planta .4 Esp coloquial Moneda de una peseta, en particular la que era de metal dorado y que se usó entre 1950 y 1980 .ETIMOLOGÍA Préstamo (s. xv ) del latín rubia , femenino de rubeus ‘rojizo ’, por el color de sus raíces. Se ha aplicado también a las monedas por su color. De la familia etimológica de rubio (V.).
rubiáceo, -cea
rubiáceo, -cea adjetivo /nombre femenino 1 bot [planta ] Que pertenece a la familia de las rubiáceas .2 rubiáceas nombre femenino plural bot Familia de plantas dicotiledóneas (árboles, arbustos y hierbas ) de hojas simples, enteras y generalmente verticiladas, flores actinomorfas, pequeñas y agrupadas y fruto en baya, caja o drupa con semillas de albumen córneo o carnoso :el quino y el café pertenecen a las rubiáceas .
rubial
rubial nombre masculino Terreno poblado de rubias (planta ).
rubiales
rubiales adjetivo /nombre común Esp coloquial Persona rubia .El plural es rubiales .
rubicán, -cana
rubicán, -cana adjetivo [caballería ] Que tiene el pelaje mezclado de rojo y blanco .
Rubicón
Rubicón Nombre de un río de Italia, que César decidió atravesar con su ejército después de muchas vacilaciones, que se utiliza en la expresión pasar el Rubicón que significa ‘tomar una decisión atrevida asumiendo las posibles consecuencias ’.
rubicundez
rubicundez nombre femenino Cualidad de rubicundo .
rubicundo, -da
rubicundo, -da adjetivo 1 Que es de color rubio que tira a rojo .2 [pelo ] Que tiende a colorado .3 [persona ] Que tiene la cara de color rojo encendido .ETIMOLOGÍA Préstamo (s. xv ) del latín rubicundus ‘rojizo, colorado ’. De la familia etimológica de rubio (V.).
rubidio
rubidio nombre masculino Elemento químico de número atómico 3, masa atómica 85,47 y símbolo Ru ; es un metal alcalino, de color blanco plateado, muy blando, muy oxidable y reactivo, que en la naturaleza se encuentra en aguas minerales, en varios minerales asociados generalmente con otros metales alcalinos, y también en pequeñas cantidades en el té, en el café, en el tabaco y en otras plantas; se utiliza en catalizadores y en células fotoeléctricas :el isótopo rubidio 87 puede utilizarse para determinar la edad geológica .
rubio, -bia
rubio, -bia adjetivo /nombre masculino 1 [color ] Que es amarillo como el del oro :se tiñó de color rubio .2 adjetivo Que es de ese color :tiene el pelo y las cejas rubias .3 adjetivo /nombre masculino y femenino [persona ] Que tiene el pelo de ese color y a menudo la piel clara y rosada :era una muchacha rubia de ojos claros; en lugar de echar a suertes quién iba con quién, hicimos un equipo de rubios y otro de morenos .4 adjetivo /nombre masculino [tabaco ] Que es de color marrón claro, sabor suave y generalmente con alto contenido en nicotina :fumar rubio; un paquete de rubio .5 adjetivo /nombre femenino [cerveza ] Que es de color amarillo claro y generalmente sabor suave ¿me pones una rubia de barril? ; la cerveza rubia suele tener poca graduación .6 nombre masculino Pez marino de unos 50 cm de longitud, color rojizo, cabeza fuerte, lisa en la garganta, y cuerpo alargado, acorazado con placas óseas y armado de fuertes espinas; es comestible y habita en el Mediterráneo y el Atlántico .7 rubios nombre masculino plural taur Centro de la cruz o parte más alta del lomo de un toro de lidia .ETIMOLOGÍA Voz patrimonial del latín rubeus ‘rojizo ’, en el que ha predominado la idea de ‘claro ’. A la misma familia etimológica latina pertenecen rubéola, rubí , rubia , rubicundo, rubor y rúbrica .
Sanseido Wisdom Dictionary
Rubicon
Ru bi con /rúːbɪkɑ̀n |-k (ə )n /名詞 〖the ～〗ルビコン川 〘イタリア北部の川; 紀元前49年 「さいは投げられた 」と言ってCaesarがこの川を渡りローマに攻め入った 〙.cr ò ss [p à ss ] the R ú bicon (後にひけない )一線を越える ; 重大決心をする ; 背水の陣を敷く .
rubicund
ru bi cund /rúːbɪk (ə )nd, -kʌ̀nd /形容詞 ｟かたく ｠〈顔が 〉赤い, 赤ら顔の .
rubidium
ru bid i um /rubɪ́diəm /名詞 U 〘化 〙ルビジウム 〘金属元素; ｟記号 ｠Rb 〙.
The Wordsmith Dictionary