constant (ˈkɒnstənt) ![]() | |
| —adj | |
| 1. | fixed and invariable; unchanging |
| 2. | continual or continuous; incessant: constant interruptions |
| 3. | resolute in mind, purpose, or affection; loyal |
| —n | |
| 4. | something that is permanent or unchanging |
| 5. | a specific quantity that is always invariable: the velocity of light is a constant |
| 6. | a. maths a symbol representing an unspecified number that remains invariable throughout a particular series of operations |
| b. physics a theoretical or experimental quantity or property that is considered invariable throughout a particular series of calculations or experiments | |
| 7. | See logical constant |
| [C14: from Old French, from Latin constāns standing firm, from constāre to be steadfast, from stāre to stand] | |
| 'constantly | |
| —adv | |
| a chattering or flighty, light-headed person. |
| the offspring of a zebra and a donkey. |
constant con·stant (kŏn'stənt)
adj.
Continually occurring; persistent.
Unchanging in nature, value, or extent; invariable.
A quantity assumed to have a fixed value in a specified mathematical context.
An experimental or theoretical condition, factor, or quantity that does not vary or that is regarded as invariant in specified circumstances.
constant (kŏn'stənt) Pronunciation Key
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A number that appears in equations and formulas and does not vary or change. Examples are Planck's constant and the speed of light.