“triatomic”的英文意思_释义_用法

单词

triatomic

释义

triatomic, a. Chem.|traɪəˈtɒmɪk|
[f. tri- + atom n. + -ic.]
a. Having three atoms in the molecule.
†b. = trivalent. Obs.
c. Containing three hydroxyl groups (OH); = trihydric a.¹
1862Miller Elem. Chem. (ed. 2) III. 53 To the triatomic group [of elements] belong nitrogen, phosphorus, arsenic, antimony, bismuth, and gold.1863–72Watts Dict. Chem. I. 464 To classify them [primary hydrides and chlorides] in four principal groups, thus: Monatomic, Diatomic, Triatomic, Tetratomic.1872Ibid. VI. 237 Nitrogen, which combines with 3 atoms of hydrogen, is triatomic, triadic, or trivalent.1882Roscoe Elem. Chem. xxxv. 320 The possible number of derivatives of the triatomic alcohols is much larger than that of either of the preceding classes.1894Times 18 Aug. 10/3 No doubt the passage of..the diatomic form of the substance to the triatomic form..takes place with evolution of heat.1903Edin. Rev. Oct. 393 It [radium] can ozonise oxygen—that is, condense it by rendering its molecules tri-atomic.

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