Pronunciation: (kon'stunt),[key] —adj. 1. not changing or varying; uniform; regular; invariable: All conditions during the three experiments were constant. 2. continuing without pause or letup; unceasing: constant noise. 3. regularly recurrent; continual; persistent: He found it impossible to work with constant interruption. 4. faithful; unswerving in love, devotion, etc.: a constant lover. 5. steadfast; firm in mind or purpose; resolute.
6. Obs.certain; confident.
—n. 1. something that does not or cannot change or vary.
2. Physics.a number expressing a property, quantity, or relation that remains unchanged under specified conditions.
3. Math.a quantity assumed to be unchanged throughout a given discussion.
Pronunciation: (kôn-stän'),[key] —n. 1. Paul Hen•ri Ben•ja•min Bal•luat Pronunciation: (pôl än-rē' ban-zha-man' ba-lwa').[key] See Estournelles de Constant, Paul. 2. Jean Jo•seph Ben•ja•min Pronunciation: (zhän zhô-zef' ban-zha-man'),[key] 1845–1902, French painter.