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
We should have a great fewer disputes in the world if words
were taken for what they are, the signs of our ideas only,
and not for things themselves.