ALL meanings of variable star
var·i·a·ble star
V v - noun variable star a star that varies markedly in brightness from time to time. 1
- noun variable star (astronomy) any star whose brightness varies. 0
- noun variable star any star that varies considerably in brightness, either irregularly or in regular periods. Intrinsic variables, in which the variation is a result of internal changes, include novae, supernovae, and pulsating stars 0
- noun variable star a star whose brightness varies from time to time as the result of causes operating outside the earth's atmosphere 0