arc seconds

Fetched 2026-10-26 (cache).

Synonyms: arc second, arcsecond, arc-second

Antonyms: arc second, arcsecond, arc-second

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{plural of|en|arc second}}

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