- pyrophane
- пирофан (1. огненный опал 2. опал, искусственно импрегнированный расплавленным воском)
English-Russian dictionary of geology. 2011.
pyrophane
Смотреть что такое "pyrophane" в других словарях:
pyrophane — ● pyrophane adjectif Qui devient transparent par l action de la chaleur. pyrophane [piʀɔfan] adj. ÉTYM. 1811; de pyro , et phane. ❖ ♦ Sc. Que l action du feu rend transparent … Encyclopédie Universelle
Pyrophane — Pyr o*phane, n. [See {Pyrophanous}.] (Min.) A mineral which is opaque in its natural state, but is said to change its color and become transparent by heat. [1913 Webster] … The Collaborative International Dictionary of English
pyrophane — noun A mineral which is opaque in its natural state, but is said to change its color and become transparent by heat … Wiktionary
