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irregular variable

American  

noun

Astronomy.
  1. a variable star whose brightness variation is irregular.


Etymology

Origin of irregular variable

First recorded in 1900–05

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The irregular, variable character of his visitor tended to heighten them, by producing an appearance of inexplicableness and mystery.

From Caleb Williams Or Things as They Are by Godwin, William

It's a red giant, and it's an irregular variable.

From The Ultimate Weapon by McConnell, Gerald