constant
has definitions from the field of mathematics


1 
[ adjective ] persistent in occurrence and unvarying in nature
Synonyms Examples "maintained a constant temperature" "a constant beat" "principles of unvarying validity" "a steady breeze" Used in print (Sports Age, 24:9...)But with all the changes in philosophy , dress and terrain  a_few things remain constant , including the devotion of Americans to the great field_sports , hunting and fishing . (1961 Research Highlights of the National Bureau of...)The reproducibilities of helium vaporpressure thermometers have been investigated in conjunction with a `` constant temperature '' liquid helium bath from 4.2 to 1.8 * * f . (Allan J. Braff and Roger F. Miller, "WagePrice...)We assume that average total unit_cost in the relevant region of operation is constant with_respect_to quantity produced ( the average_cost curve is horizontal , and therefore is identical with the marginal_cost curve ) , and is the same for every firm ( and therefore for the industry ) . Related terms 
2 
[ adjective ] continually recurring or continuing without interruption
Examples "constant repetition of the exercise" "constant chatter of monkeys" Used in print (The TimesPicayune, [New Orleans]...)His desires are so strong that he needs constant reassurance of his mother 's love for him and what she expects of him , in_order to overcome them . (Frieda Arkin, "The Light of the Sea," in The...)She looked at the girl speculatively from eyes which had paled with the years ; from the early evening lights of them which had first startled Izaak to look at her in an uncousinly way , they had faded to a near absence of color which had , possibly from her constant looking_at the water , something of the light of the sea in them . He saw the Starbird as she lay , her slender mast up and gently turning , its point describing constant languid circles against a cumulus sky . Related terms 
3 
[ noun ] (mathematics) a quantity that does not vary
Synonyms Used in print (James A. Ibers et al., "Proton magnetic resonance...)The theory predicts a linear dependence of **f on **f , where �j is the experimentally determined CurieWeiss constant . (Kenneth Hoffman and Ray Kunze, Linear Al...)Let n be a positive integer and let V be the space of all n times continuously differentiable functions f on the real line which satisfy the differential_equation * * f where * * f are some fixed constants . 
4 
[ adjective ] steadfast in purpose or devotion or affection
Examples "a man constant in adherence to his ideals" "a constant lover" "constant as the northern star" Used in print (Christopher Davis, First Family....)His father was a constant visitor . Related terms inconstant steadfast faithful unfailing stable faithful unchangeable invariable constancy 
5 
[ adjective ] uninterrupted in time and indefinitely long continuing
Examples "the ceaseless thunder of surf" "in constant pain" "the incessant noise of the city" "the neverending search for happiness" "the perpetual struggle to maintain standards in a democracy" Related terms 
6 
[ noun ] Last name, frequency rank in the U.S. is 6501

7 
[ noun ] (mathematics) a number representing a quantity assumed to have a fixed value in a specified mathematical context
Examples "the velocity of light is a constant" 
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