Constant (programming) definition

(1) Steadfast in purpose or devotion or affection

"A man constant in adherence to his ideals"

"A constant lover"

"Constant as the northern star"

(2) Continually recurring or continuing without interruption

"Constant repetition of the exercise"

"Constant chatter of monkeys"

(3) Uninterrupted in time and indefinitely long continuing

"The ceaseless thunder of surf"

"In constant pain"

"Night and day we live with the incessant noise of the city"

"The never-ending search for happiness"

"The perpetual struggle to maintain standards in a democracy"

"Man's unceasing warfare with drought and isolation"

"Unremitting demands of hunger"

(4) Persistent in occurrence and unvarying in nature

"Maintained a constant temperature"

"Principles of unvarying validity"

(5) A quantity that does not vary

(6) A number representing a quantity assumed to have a fixed value in a specified mathematical context

"The velocity of light is a constant"