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 cannot always control our thoughts, but we can control our words, and repetition impresses the subconscious, and we are then master of the situation.
Florence Scovel Shinn