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.
poÂ·lar bodÂ·y. one of two small cells formed by the first and second meiotic division of oocytes; the first is usually released just before ovulation, the second not until discharge of the oocyte from the ovary; in mammals, the second polar body may fail to form unless the oocyte has been penetrated by a sperm.