English-Thai Dictionary
allotrope
N รูปแบบ ที่ ต่างกัน ของ ธาตุ หนึ่ง ๆ rub-baeb-ti-tang-kan-khong-thad-nueng
allotropy
N คุณ สมบัติ ทาง เคมี ของ ธาตุ บาง ชนิด ที่ มี หลาย รูปแบบ khun-na-som-bat-thang-khe-mi-khong-thad-bang-cha-nid ti-mee-lai-rub-baeb
Webster's 1913 Dictionary
ALLOTROPHIC
ALLOTROPHIC Al `lo *troph "ic, a. [Gr. other + trophic. ] (a ) (Physiol.) Changed or modified in nutritive power by the process of digestion. (b ) (Plant Physiol.) Dependent upon other organisms for nutrition; heterotrophic; -- said of plants unable to perform photosynthesis, as all saprophytes; -- opposed to autotrophic.
ALLOTROPIC; ALLOTROPICAL
Al `lo *trop "ic, Al `lo *trop "ic *al, a. Etym: [Cf. F. allotropique.]
Defn: Of or pertaining to allotropism. -- Al `lo *trop "ic *al *ly, adv. Allotropic state, the several conditions which occur in a case of allotropism.
ALLOTROPICITY
ALLOTROPICITY Al *lot `ro *pic "i *ty, n.
Defn: Allotropic property or nature.
ALLOTROPISM; ALLOTROPY
Al *lot "ro *pism, Al *lot "ro *py, n. Etym: [Gr. allotropie. ] (Chem. )
Defn: The property of existing in two or more conditions which are distinct in their physical or chemical relations.
Note: Thus, carbon occurs crystallized in octahedrons and other related forms, in a state of extreme hardness, in the diamond; it occurs in hexagonal forms, and of little hardness, in black lead; and again occurs in a third form, with entire softness, in lampblack and charcoal. In some cases, one of these is peculiarly an active state, and the other a passive one. Thus, ozone is an active state of oxygen, and is distinct from ordinary oxygen, which is the element in its passive state.
ALLOTROPIZE
ALLOTROPIZE Al *lot "ro *pize, v. t.
Defn: To change in physical properties but not in substance. [R.]
New American Oxford Dictionary
allotrope
al lo trope |ˈaləˌtrōp ˈæləˌtroʊp | ▶noun Chemistry each of two or more different physical forms in which an element can exist. Graphite, charcoal, and diamond are all allotropes of carbon. ORIGIN late 19th cent.: back-formation from allotropy .
allotropy
al lot ro py |əˈlätrəpē əˈlɑtrəpi | ▶noun Chemistry the existence of two or more different physical forms of a chemical element. DERIVATIVES al lo trop ic |ˌaləˈträpik, -ˈtrō - |adjective ORIGIN mid 19th cent.: from Greek allotropos ‘of another form, ’ from allo- ‘other ’ + tropos ‘manner ’ (from trepein ‘to turn ’).
Oxford Dictionary
allotrope
allotrope |ˈalətrəʊp | ▶noun Chemistry each of two or more different physical forms in which an element can exist. Graphite, charcoal, and diamond are all allotropes of carbon. ORIGIN late 19th cent.: back-formation from allotropy .
allotropy
allotropy |əˈlɒtrəpi | ▶noun [ mass noun ] Chemistry the existence of two or more different physical forms of a chemical element. DERIVATIVES allotropic |aləˈtrɒpɪk |adjective ORIGIN mid 19th cent.: from Greek allotropos ‘of another form ’, from allo- ‘other ’ + tropos ‘manner ’ (from trepein ‘to turn ’).
Duden Dictionary
allotrop
al lo trop Adjektiv |allotr o p |a zur Allotropie fähig b durch Allotropie bedingt
allotroph
al lo troph Adjektiv Biologie |allotr o ph |in der Ernährung auf organische Stoffe angewiesen
Allotropie
Al lo tro pie Substantiv, feminin Chemie , die |Allotrop ie |die Allotropie; Genitiv: der Allotropie Eigenschaft eines chemischen Stoffes, in verschiedenen Kristallformen vorzukommen z. B. Kohlenstoff als Diamant und Grafit