| 释义 |
hydrophane Min.|ˈhaɪdrəfeɪn|
[mod. f. Gr. ὑδρο- water + -ϕανής apparent, ϕανός bright, clear, f. ϕαίνειν to show.]
A variety of opaque or partly translucent opal which absorbs water upon immersion and becomes transparent.
1784Kirwan Elem. Min. 114 Opals and chalcedonies, which by admitting water within their pores, are called hydrophanes. 1833N. Arnott Physics (ed. 5) I. 36 The stone called hydrophane (agate) is opaque, until dipped into water, when it absorbs..one sixth of its weight of the water, and..gives passage to light. 1875Blackmore Alice Lorraine III. xxiii. 306 Changed its dullness (like a hydrophane immersed) into glancing and reflecting play of tender light and life. |