semidiameter


semi·di·am·e·ter

noun \-dī-ˈa-mə-tər\

Definition of SEMIDIAMETER

:  radius; specifically :  the apparent radius of a generally spherical celestial body

First Known Use of SEMIDIAMETER

14th century

Browse

Next Word in the Dictionary: semidiesel engine
Previous Word in the Dictionary: semidetached
All Words Near: semidiameter

Seen & Heard

What made you want to look up semidiameter? Please tell us where you read or heard it (including the quote, if possible).