Know how to use "fewer" and "less"? Find out.

O star

[oh stahr] /ˈoʊ ˌstɑr/
a very hot, massive, blue star of spectral type O, having a surface temperature between 30,000 and 50,000 K and an absorption spectrum with few lines, though the Balmer series of hydrogen lines is present and lines of ionized helium are detectable.
Compare spectral type. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source

Word of the Day

Difficulty index for O star

Few English speakers likely know this word

Word Value for O

Scrabble Words With Friends

Quotes with O star

Nearby words for o star