Associations to the word «Semidiameter»
Wiktionary
SEMIDIAMETER, noun. (astronomy) The apparent radius of a star etc, when viewed from Earth.
SEMIDIAMETER, noun. (archaic) A radius: half of a diameter.
Dictionary definition
SEMIDIAMETER, noun. The apparent radius of a celestial body when viewed as a disc from the earth.
Wise words
A kind word warms a man throughout three winters.