English-Thai Dictionary

pyrope

N แร่ แมกนีเซียม อะลูมิเนียม ที่ เป็น พลอยช นิดหนึ่ง 

 

pyrophosphate

N เกลือ หรือ เอส เตอ ร์ ของ  pyrophosphoric acid

 

Webster's 1828 Dictionary

PYROPE

n.[Gr. , fire; face. ] A mineral regarded as a variety of garnet, occurring in small masses or grains, never in crystals. Its color is a poppy or blood red, frequently with a tinge of orange.

 

PYROPHANE

n.[Gr. , fire; clear. ] A mineral which in its natural state is opake, but rendered transparent by heat.

 

PYROPHANOUS

a.Rendered transparent by heat.

 

PYROPHOROUS

a.Pertaining to or resembling pyrophorus.

 

PYROPHORUS

n.[Gr. , fire; bearing. ] A substance which takes fire on exposure to air, or which maintains or retains light.

 

PYROPHYSALITE

[See Topaz and Physalite. ]

 

Webster's 1913 Dictionary

PYROPE

Pyr "ope, n. Etym: [L. pyropus a kind of red bronze, fr. Gr. pyrope. ](Min. )

 

Defn: A variety of garnet, of a poppy or blood-red color, frequently with a tinge of orange. It is used as a gem. See the Note under Garnet.

 

PYROPHANE

Pyr "o *phane, n. Etym: [See Pyrophanous. ] (Min. )

 

Defn: A mineral which is opaque in its natural state, but is said to change its color and become transparent by heat.

 

PYROPHANOUS

Py *roph "a *nous, a. Etym: [Pyro- + Gr.

 

Defn: Rendered transparent by heat.

 

PYROPHONE

Pyr "o *phone, n. Etym: [Pyro- + Gr.

 

Defn: A musical instrument in which the tones are produced by flames of hydrogen, or illuminating gas, burning in tubes of different sizes and lengths.

 

PYROPHORIC; PYROPHOROUS

Pyr `o *phor "ic, Py *roph "o *rous, a. Etym: [Pyro- + Gr.

 

Defn: Light-producing; of or pertaining to pyrophorus. Pyrophoric iron (Chem. ), finely reduced iron, which ignites spontaneously on contact with air.

 

PYROPHORUS

Py *roph "o *rus, n. Etym: [NL. See Pyrophorous. ] (Old Chem. )

 

Defn: Any one of several substances or mixtures which phosphoresce or ignite spontaneously on exposure to air, as a heated mixture of alum, potash, and charcoal, or a mixture of charcoal and finely divided lead.

 

PYROPHOSPHATE

PYROPHOSPHATE Pyr "o *phos "phate, n. (Chem. )

 

Defn: A salt of pyrophosphoric acid.

 

PYROPHOSPHORIC

Pyr `o *phos *phor "ic, a. Etym: [Pyro- + phosphoric. ] (Chem. )

 

Defn: Pertaining to, or designating, an acid, H4P2O7, which is obtained as a white crystalline substance. Its salts are obtained by heating the phosphates.

 

PYROPHYLLITE

Py *roph "yl *lite, n. Etym: [Pyro- + Gr. (Min. )

 

Defn: A mineral, usually of a white or greenish color and pearly luster, consisting chiefly of the hydrous silicate of alumina.

 

New American Oxford Dictionary

pyrope

py rope |ˈpīˌrōp ˈpaɪroʊp |(also pyrope garnet ) ▶noun a deep red variety of garnet. ORIGIN early 19th cent.: from German Pyrop, via Latin from Greek purōpos ‘gold-bronze, ’ literally ‘fiery-eyed, ’ from pur ‘fire ’ + ōps ‘eye. ’

 

pyrophoric

py ro phor ic |ˌpīrəˈfôrik ˌpaɪroʊˈfɔrɪk | ▶adjective liable to ignite spontaneously on exposure to air. • (of an alloy ) emitting sparks when scratched or struck. ORIGIN mid 19th cent.: from modern Latin pyrophorus, from Greek purophoros ‘fire-bearing, ’ from pur ‘fire ’ + pherein ‘to bear. ’

 

pyrophosphoric acid

py ro phos phor ic ac id |ˌpīrōˌfäsˈfôrik, -ˈfäsfərik ˌpaɪroʊˌfɑsˌfɔrɪk ˈæsəd | ▶noun Chemistry a glassy solid obtained by heating phosphoric acid. [A tetrabasic acid; chem. formula: H 4 P 2 O 7. ] DERIVATIVES py ro phos phate |-ˈfäsˌfāt |noun

 

Oxford Dictionary

pyrope

pyrope |ˈpʌɪrəʊp |(also pyrope garnet ) ▶noun [ mass noun ] a deep red variety of garnet. ORIGIN early 19th cent.: from German Pyrop, via Latin from Greek purōpos ‘gold-bronze ’, literally ‘fiery eyed ’, from pur ‘fire ’ + ōps ‘eye ’.

 

pyrophoric

pyrophoric |ˌpʌɪrə (ʊ )ˈfɒrɪk | ▶adjective liable to ignite spontaneously on exposure to air. • (of an alloy ) emitting sparks when scratched or struck. ORIGIN mid 19th cent.: from modern Latin pyrophorus, from Greek purophoros ‘fire-bearing ’, from pur ‘fire ’ + pherein ‘to bear ’.

 

pyrophosphate

pyro |phos ¦phate |ˌpʌɪrə (ʊ )ˈfɒsfeɪt | ▶noun Chemistry a salt or ester of pyrophosphoric acid.

 

pyrophosphoric acid

pyrophosphoric acid |ˌpʌɪrə (ʊ )fɒsˈfɒrɪk | ▶noun [ mass noun ] Chemistry a glassy solid obtained by heating phosphoric acid. ●A tetrabasic acid; chem. formula: H 4 P 2 O 7.

 

Duden Dictionary

Pyrop

Py rop Substantiv, maskulin Mineralogie , der |Pyr o p |der Pyrop; Genitiv: des Pyrop [e ]s, Plural: die Pyrope griechisch-lateinisch ; »feueräugig «blutroter bis schwarzer Granat, der als Schmuckstein verarbeitet wird

 

Pyropapier

Py ro pa pier Substantiv, Neutrum , das |P y ropapier |das Pyropapier; Genitiv: des Pyropapiers griechisch ; deutsch leicht brennbares Papier für Feuerwerkskörper

 

Pyrophobie

Py ro pho bie Substantiv, feminin Medizin , die |Pyrophob ie |die Pyrophobie; Genitiv: der Pyrophobie, Plural: die Pyrophobien Phobie krankhafte Furcht vor dem Umgang mit Feuer

 

pyrophor

py ro phor Adjektiv Chemie |pyroph o r |zu griechisch phoreĩn = (in sich ) tragen [in feinster Verteilung ] sich an der Luft bei gewöhnlicher Temperatur selbst entzündend

 

Pyrophor

Py ro phor Substantiv, maskulin , der |Pyroph o r |Stoff mit pyrophoren Eigenschaften z. B. Phosphor, Eisen, Blei

 

Pyrophyt

Py ro phyt Substantiv, maskulin Botanik , der |Pyroph y t |der Pyrophyt; Genitiv: des Pyrophyten, Plural: die Pyrophyten meist im Plural Pflanze, die durch bestimmte Baumerkmale (z. B. die Borke ) gegen Brände weitgehend resistent ist

 

Pyropto

Py r op to , Py rop to Substantiv, Neutrum , das |Pyr o pto |das Pyropto; Genitiv: des Pyroptos, Plural: die Pyroptos griechisch-neulateinisch Strahlungspyrometer zur Messung der Stärke von Lichtstrahlen