subgiant Definition
a star that is slightly smaller and cooler than a main-sequence star of the same luminosity.
Using subgiant: Examples
Take a moment to familiarize yourself with how "subgiant" can be used in various situations through the following examples!
Example
The subgiant star is in the process of expanding and cooling as it runs out of fuel.
Example
A subgiant star is an intermediate stage between a main-sequence star and a red giant.
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Summary: subgiant in Brief
A 'subgiant' [sʌbˈdʒaɪənt] is a type of star that is slightly smaller and cooler than a main-sequence star of the same luminosity. It is an intermediate stage between a main-sequence star and a red giant, and is in the process of expanding and cooling as it runs out of fuel.
