Variable (Noun)
Meaning 1
A star that varies noticeably in brightness.
Classification
Nouns denoting natural objects (not man-made).
Examples
- The astronomer spent years studying the variable star, trying to understand the patterns behind its changing brightness.
- Beta Lyrae is a well-known variable star that can be seen with the naked eye in the constellation Lyra.
- The telescope was trained on the variable star, collecting data on its fluctuations in luminosity over several weeks.
- Variable stars like Delta Scuti are important for astronomers because they can be used as "standard candles" to measure distances in the universe.
- The amateur astronomer was thrilled to discover a new variable star in the constellation of Cassiopeia, which was later confirmed by professionals.
Synonyms
Hypernyms
Meaning 2
A quantity that can assume any of a set of values.
Classification
Nouns denoting cognitive processes and contents.
Synonyms
Hyponyms
Meaning 3
Something that is likely to vary; something that is subject to variation; "the weather is one variable to be considered".
Classification
Nouns denoting natural objects (not man-made).
Related Words
Meaning 4
A symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity.
Classification
Nouns denoting communicative processes and contents.