The property of two or more appearances of being of the selfsame underlying object; sameness as regards self or identity; identity; identicality.

Synonym of water aerobics

(mineralogy) A triclinic mineral containing aluminum, calcium, iron, magnesium, oxygen, and silicon.

Of the administration of Ronald Reagan, U.S. President from 1981–1989. / A surname from Irish. / A male given name transferred from the surname, of occasional usage.