constant meaning

• Adjective: constant  kónstunt
  1. Unvarying in nature
     "maintained a constant temperature"
     - changeless, invariant, unvarying 
  2. Steadfast in purpose or devotion or affection
     "a man constant in adherence to his ideals"; "a constant lover"; "constant as the northern star" 
  3. Uninterrupted in time and indefinitely long continuing
     "in constant pain"
     - ceaseless, incessant, never-ending, perpetual, unceasing, unremitting
  Noun: constant  kónstunt
  1. A quantity that does not vary
     - constant quantity, invariable 
  2. A number representing a quantity assumed to have a fixed value in a specified mathematical context
     "the velocity of light is a constant"

  Derived forms: constants

  See also: constancy, constantly, continuous, faithful, invariable, stable, staunch, steadfast, unchangeable, unfailing, unflagging, uninterrupted, unswerving

  Type of: number, quantity

  Antonym: inconstant

  Encyclopedia: Constant

• 
  [Economics]
  A number which does not change.
• 
  [Electronics]
  1. A quantity whose value remains fixed, such as the speed of light in a vacuum. Compare VARIABLE.
  2. The value of a component specified for use in a particular electronic circuit.
  3. An electronic component, particularly a capacitance or inductance.
  4. In a computer
  program, data items that remain unchanged for each run.
  
• 
  [Medicine]
  adj : remaining unchanged — con·stant·ly adv
  n : something invariable or unchanging; esp : a number that has a fixed value in a given situation or universally or that is characteristic of some substance or instrument
  

[Computer]
<storage> (CAV) A disk driving scheme in which the angular velocity of the disk is kept constant. This means that the linear velocity of the disk is larger when reading or writing the outer tracks. The disadvantage of this technique is that the read/write speed varies from track to track. However, as mechanical stability puts an upper limit on the angular velocity (and not the linear velocity) this allows the full potential of the drive to be used.

• constant t:    [Medicine]A methyl ...
• constant-t:    [Medicine]A methyl ...
• absolute constant:    [Electronics]A mat ...

Examples

1. the island's most constant visitor is the wind.
2. she was wearied by the constant noise.
3. the speed of light is an invariant constant.
4. the beam has a constant flexural rigidity.
5. there is constant reference to blood in plays.