形容词

名词

1. 多变的;易变的;反复无常的
Something that is variable changes quite often, and there usually seems to be no fixed pattern to these changes.

1. a quantity that can assume any of a set of values

Synonym: variable quantity

2. a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity

3. something that is likely to vary
something that is subject to variation

e.g. the weather is one variable to be considered

4. a star that varies noticeably in brightness

Synonym: variable star