Princeton's WordNet(1.00 / 2 votes)Rate this definition: Wiktionary(2.67 / 3 votes)Rate this definition: infinity(Noun) Limitlessness, unlimitedness, something which is growing without limits or bounds. infinity(Noun) A number that has an infinite numerical value that cannot be counted.
univalve (mollusk) a class of mollusks typically having a 1-piece coiled shell and flattened muscular foot with a head bearing stalked eyes. animal noun (animals and microorganisms) univalves.
Definition of alveolar. 1 : of, relating to, resembling, or having alveoli; especially : of, relating to, or constituting the part of the jaws where the teeth arise, the air-containing compartments of the lungs, or glands with secretory cells about a central space. 2 : articulated with the tip of the tongue touching or near the teethridge.