| 单词 | impactite |
| 释义 | impactite in British English (ɪmˈpæktaɪt) noun mineralogy a glassy rock formed by a meteor collision impactite in American English (imˈpæktait, ˈimpækˌtait) noun a glassy or crystalline material composed of slag and meteoric materials, produced by the impact of a meteorite striking the earth Word origin [1935–40; impact + -ite1]This word is first recorded in the period 1935–40. Other words that entered Englishat around the same time include: Arts and Crafts Movement, Rhodesian ridgeback, complementation, prime mover, walk-through-ite is a suffix of nouns denoting esp. persons associated with a place, tribe, leader,doctrine, system, etc. (Campbellite; Israelite; laborite); minerals and fossils (ammonite; anthracite); explosives (cordite; dynamite); chemical compounds, esp. salts of acids whose names end in -ous (phosphite; sulfite); pharmaceutical and commercial products (vulcanite); a member or component of a part of the body (somite) |
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