Soot



GRE

解释

GRE 红宝书

• n.黑烟灰, 油烟
• ［英］ n.黑烟灰, 油烟 ( black powder out of smoke )
• ［类］ soot : combustion / sawdust : woodcutting ( 燃烧产生烟尘 / 锯木头产生锯屑)

Webster Collegiate

I. noun

• Etymology: Middle English, from Old English sōt; akin to Old Irish suide soot, Old English sittan to sit
• Date: before 12th century
• a black substance formed by combustion or separated from fuel during combustion, rising in fine particles, and adhering to the sides of the chimney or pipe conveying the smoke; especially the fine powder consisting chiefly of carbon that colors smoke

II. transitive verb

• Date: 1602
• to coat or cover with soot

---