second of arc

Fetched 2026-10-26 (cache).

Synonyms: seconds of arc

Antonyms: seconds of arc

Related words from Datamuse; suggestions, not definitions.

Noun

1. An [[angle]], one sixtieth (1/60th) of a [[minute of arc]] or one 3600th of a [[degree]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.