Online Google Dictionary

butene 中文解釋 wordnet sense Collocation Usage Collins Definition
  1. butylene: any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers
  2. Butene, also known as butylene, is an alkene with the formula C4H8. It is a colourless gas that is present in crude oil as a minor constituent in quantities that are too small for viable extraction. ...
  3. One of three types of LLDPE resin.  Butene has weaker film-strength properties than Hexene or Octene.