firedamp

n. 甲烷, 沼气 [化] 沼气; 瓦斯; 密封防火墙(采矿)

词形变化

firedamps 复数 firedamps

别名

fire damp

释义与例句

n.
  1. 1.

    A flammable gas (mostly methane) found in coal mines; forms an explosive mixture with air.

    不可数 商务 采矿

词汇关系

名词

上位词 1

gas

词源

From fire + damp with 'damp' not in the usual sense of 'moist' but old German, modern Dutch, Danish 'damp' as steam or vapour, hence a gas liable to catch fire.

来源：wiktionary