Variable



GRE TOEFL 考研

解释

GRE 红宝书

• adj. 易变的, 不稳定的,
• [数] 变数, 可变物, 变量
• ［英］ adj. 易变的, 不稳定的 ( likely to vary)
• ［类］ 反义词: immutable ( 不可改变的)

Webster Collegiate

I. adjective

• Etymology: Middle English, from Anglo-French, from Latin variabilis, from variare to vary
• Date: 14th century
• 1.
  • a. able or apt to vary ; subject to variation or changes <variable winds><variable costs>
  • b. fickle, inconstant
• 2. characterized by variations
• 3. having the characteristics of a variable
• 4. not true to type ; aberrant — used of a biological group or character
• ? variability noun
• ? variableness noun
• ? variably adverb

II. noun

• Date: 1816
• 1.
  • a. a quantity that may assume any one of a set of values
  • b. a symbol representing a variable
• 2. something that is variable
• 3. variable star

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