**countability** — noun see countable … New Collegiate Dictionary

**countability** — noun /kaʊnt.əˈbɪ.lɪ.ti/ The quality of being countable. Ant: uncountability … Wiktionary

**countability** — count·abil·i·ty … English syllables

**countability** — ˌkau̇n(t)əˈbilə̇d.ē noun : the quality or state of being countable … Useful english dictionary

**Axiom of countability** — In mathematics, an axiom of countability is a property of certain mathematical objects (usually in a category) that requires the existence of a countable set with certain properties, while without it such sets might not exist. Important… … Wikipedia

**axiom of countability** — Math. the property satisfied by a topological space in which the neighborhood system of each point has a base consisting of a countable number of neighborhoods (first axiom of countability) or the property satisfied by a topological space that… … Universalium

**axiom of countability** — Math. the property satisfied by a topological space in which the neighborhood system of each point has a base consisting of a countable number of neighborhoods (first axiom of countability) or the property satisfied by a topological space that… … Useful english dictionary

**first axiom of countability** — Math. See under axiom of countability. * * * … Universalium

**second axiom of countability** — Math. See under axiom of countability. * * * … Universalium

**first axiom of countability** — Math. See under axiom of countability … Useful english dictionary