[kon-stuh nt] /ˈkɒn stənt/
not changing or varying; uniform; regular; invariable:
All conditions during the three experiments were constant.
continuing without pause or letup; unceasing:
regularly recurrent; continual; persistent:
He found it impossible to work with constant interruption.
faithful; unswerving in love, devotion, etc.:
a constant lover.
steadfast; firm in mind or purpose; resolute.
Obsolete. certain; confident.
something that does not or cannot change or vary.
Physics. a number expressing a property, quantity, or relation that remains unchanged under specified conditions.
Mathematics. a quantity assumed to be unchanged throughout a given discussion.
fixed and invariable; unchanging
continual or continuous; incessant: constant interruptions
resolute in mind, purpose, or affection; loyal
something that is permanent or unchanging
a specific quantity that is always invariable: the velocity of light is a constant
See logical constant
Benjamin (bɛ̃ʒamɛ̃). real name Henri Benjamin Constant de Rebecque. 1767–1830, French writer and politician: author of the psychological novel Adolphe (1816)
late 14c., “steadfast, resolute,” from Old French constant (14c.) or directly from Latin constantem (nominative constans) “standing firm, stable, steadfast, faithful,” present participle of constare, from com- “together” (see com-) + stare “to stand,” from PIE root *sta- “to stand” (see stet). Of actions and conditions from 1650s. Related: Constantly.
1832 in mathematics and physics, from constant (adj.).
constant con·stant (kŏn’stənt)
A number that appears in equations and formulas and does not vary or change. Examples are Planck’s constant and the speed of light.
- Constant mapping
Some TCP software constructs the destination Ethernet address from the top 24 bits of the Ethernet address followed by the low 24 bits of the (class A) destination Internet address. For this scheme the top 24 bits of the Ethernet address must be the same on all hosts on the net. Contrast ARP.
noun, Physics. 1. See under . Symbol: G. noun, Physics. 1. a law stating that any two masses attract each other with a force equal to a constant (constant of gravitation) multiplied by the product of the two masses and divided by the square of the distance between them. law of gravitation See Newton’s law […]
noun, Mathematics. 1. a constant that is added to the function obtained by evaluating the indefinite integral of a given function, indicating that all indefinite integrals of the given function differ by, at most, a constant.
- Constant positive pressure breathing
constant positive pressure breathing n. Abbr. CPPB Inhalation and exhalation of respiratory gases that are under a small constant positive pressure relative to the ambient pressure.