Commute



GRE 蓝宝 考研

解释

GRE 红宝书

• v.交换, 坐公共交通车上下班
• ［英］ v.交换 ( to change or exchange)
• ［记］ com[共同]+mut[改变] -> 坐车换车 -> 坐公共车)

Webster Collegiate

I. verb (commuted; commuting)

• Etymology: Middle English, from Latin commutare to change, exchange, from com- + mutare to change — more at mutable
• Date: 15th century
• transitive verb
  • 1.
    • a. change, alter
    • b. to give in exchange for another ; exchange
  • 2. to convert (as a payment) into another form
  • 3. to change (a penalty) to another less severe <commute a death sentence to life in prison
  • 4. commutate
• intransitive verb
  • 1. make up, compensate
  • 2. to pay in gross
  • 3. to travel back and forth regularly (as between a suburb and a city)
  • 4. to yield the same mathematical result regardless of order — used of two elements undergoing an operation or of two operations on elements
• ? commutable adjective

II. noun

• Date: 1954
• 1. an act or an instance of commuting
• 2. the distance covered in commuting long commute

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