Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
astronomy unit | Yes | No | No | No |
light-year | Yes | No | No | No |
astronomy unit (noun) | light-year (noun) |
---|---|
a linear unit used for astronomical distances | the distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers |