📖 WordNook

variable

adjective
  1. (used of a device) designed so that a property (as e.g. light) can be varied
    “a variable capacitor”
  2. liable to or capable of change
    “rainfall in the tropics is notoriously variable”
  3. marked by diversity or difference
    varying
noun
  1. a quantity that can assume any of a set of values
  2. a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity
  3. something that is likely to vary
  4. a star that varies noticeably in brightness