tetrachloroethylene

名词 n.

英文释义

名词 n.
  1. A liquid chlorocarbon with the formula C₂Cl₄, commonly used in dry cleaning and metal degreasing. countable,uncountable
    — Uses of tetrachloroethylene have included dry cleaning, degreasing, deworming, and others, but its use is now curtailed as compared with decades ago.

词形变化

词源

Etymology tree
Proto-Indo-European *kʷetwóres
Proto-Hellenic *kʷétwores
Ancient Greek τέσσᾰρες (téssăres)
Ancient Greek τετρᾰ- (tetră-)bor.
English tetra-
English chloro-
English ethylene
English tetrachloroethylene
From tetra- + chloro- + ethylene.
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