1813, from stem of Latin flammare "to set on fire" (from flamma; see flame (n.)) + -able. In modern (20c.) use, a way to distinguish from the ambiguity of inflammable.
权威例句
1. Hydrogen is explosively flammable when mixed with oxygen.
氢气与氧气混合时会发生爆炸性燃烧。
2. highly flammable liquids
高度易燃的液体
3. These materials are highly flammable.
这些材料极其易燃.
4. Pyjamas made from flammable material have been removed from most shops.
大部分商店都不再出售用易燃材料做的睡衣了.
5. The minimum ignition energy for flammable mixtures containing hydrogen is extremely low.