Crossword clue: the length of a straight line passing through the center of a circle and connecting two points on the circumference

The most common answer is diam (4 letters).

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

diam 4 letters wn-def

the length of a straight line passing through the center of a circle and connecting two points on the circumference

diameter 8 letters wn-def

the length of a straight line passing through the center of a circle and connecting two points on the circumference