| 单词 |
heterogeneity |
| 释义 |
heterogeneity|ˌhɛtərəʊdʒɪˈniːɪtɪ|
[ad. med.L. heterogeneitās (etherogeneitas 14th c.), f. heterogene-us: see next and -ity. Cf. F. heterogeneité (1641 in Hatz.-Darm.).]
The quality or condition of being heterogeneous: a. Difference or diversity in kind from other things; b. Composition from diverse elements or parts; multifarious composition.
1641French Distill. v. (1651) 109 In the artificiall processe of manifesting the heterogeneity of water. 1674S. Jeake Arith. (1696) 304 To multiply Simple Surdes observe their Homogeniety or Heterogeniety. 1779Ramsden in Phil. Trans. LXIX. 421 The advantage..of not being disturbed by the heterogeneity of light. 1784Hartley Observ. Man ii. ii. 111 As to the Chinese..its great Heterogeneity in respect of other Languages. 1862H. Spencer First Princ. ii. xvii. §145 (1875) 396 Evolution is an integration of matter..during which the matter passes from an indefinite, incoherent homogeneity, to a definite, coherent heterogeneity. 1868Gladstone Juv. Mundi vii. (1870) 194 In the members of the Olympian court itself we discern every kind of heterogeneity.
c. With a and pl. A heterogeneous element or constituent.
1651Biggs New Disp. ⁋19 In their crudities, heterogenieties & impurities. 1796Kirwan Elem. Min. (ed. 2) I. 414 Mica, iron ore, and other heterogeneities are more frequent in it. 1837Carlyle Fr. Rev. I. iv. iv, So many heterogeneities cast together into the fermenting-vat.
d. law of heterogeneity (Logic): see quot.
1864Bowen Logic iv. 91 About the second principle, the Law of Heterogeneity, there is no dispute. According to this law, things the most similar must, in some respects, be dissimilar or heterogeneous; and, consequently, any Concept, however large its Intension may be, may still have that Intension increased, without thereby descending to individuals. |
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