| 释义 |
xenotime Min.|ˈzɛnəʊtaɪm|
[Named (in Fr.) by Beudant, 1832, as if f. Gr. ξένος strange + τιµή honour, but app. in error for *kenotime, f. Gr. κενός empty, vain: see quot. below.]
A native phosphate of yttrium.
1844Dana Min. (1868) 528 Xenotime... Lustre resinous Color yellowish-brown, reddish-brown, hair-brown, flesh-red, grayish-white [etc.]... Beudant named the species xenotime (apparently from ξενός, stranger to, and τιµή, honor), but in the next line gives the derivation ‘κενος, vain, et τιµή, honneur’, as if the word were kenotime, and adds..that this name is intended to recall the fact that the mineral was erroneously supposed by Berzelius..to contain a new metal. 1907Athenæum 20 Apr. 479/1 M. Jean Becquerel..has been engaged in magneto-optical researches... Most of his experiments have been made with crystals of xenotime (a magnetic phosphate of yttrium). |