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quantivalence
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quantivalence
quantivalence (kwənˈtɪvələns) [f. L. quanti- comb. form of quantum how much + -valence after equi-valence.] 1. Of a chemical element: The extent to which one of its atoms can hold other atoms in combination; valence; atomicity.1871 Roscoe Elem. Chem. 172 This difference of combining power is termed ...
Oxford English Dictionary
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Valence (chemistry)
are best satisfied, and by following these examples and postulates, he declares how obvious it is that
This "combining power" was afterwards called quantivalence
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atomicity
atomicity Chem. (ætəˈmɪsɪtɪ) [f. atomic + -ity.] 1. a. The combining capacity of an element (or radical), i.e. the number of atoms of hydrogen, or other monovalent element, with which one of its atoms normally combines. Thus the atomicity of chlorine is 1 (or chlorine is a monad) because it forms wi...
Oxford English Dictionary
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valence
▪ I. † vaˈlence1 Obs. rare. [prob. the name of the French town Valence on the Rhone.] Some thin woven fabric.c 1381 Chaucer Parl. Foules 272 The remenaunt was wel keuerede to myn pay Rygh[t] with a subtyl couercheif of valence; Ther nas no thikkere cloth of no defense. c 1430 Lydg. Min. Poems (Percy...
Oxford English Dictionary
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polygenic
polygenic, a. (pɒlɪˈdʒɛnɪk) [f. Gr. πολυ-, poly- + γενικός, f. γένος kind, or (in sense 2) from -gen 1 + -ic.] 1. Geol. = polygenous 1.1858 Mayne Expos. Lex., Polygenicus,..applied to a rock which owes its origin to fragments of different rocks united by calcareous cement..; or to divers fragments o...
Oxford English Dictionary
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rare
▪ I. rare, a.1 (adv.1 and n.) (rɛə(r)) Also 6–7 Sc. rair. [ad. L. rār-us or a. F. rare (14th c.).] 1. a. Having the constituent particles not closely packed together. (Opposed to dense.) In later use chiefly of the air or gases (see sense 5 f).c 1420 Pallad. on Husb. i. 99 The londis fatte, or lene,...
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equivalent
equivalent, a. and n. (ɪˈkwɪvələnt) Forms: 6–7 eque-, equivolent(e, 6 equyvalent, 7–8 æquivalent, 5– equivalent. [ad. late L. æquivalent-em, pr. pple. of æquivalēre, f. æquus equal + valēre to be powerful, to be worth. Cf. Fr. équivalent.] A. adj. Equal in value, power, efficacy, or import. Const. t...
Oxford English Dictionary
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