Skip to main content

arcsecond

noun

arcsecond is spelled A-R-C-S-E-C-O-N-D: 9 letters. It appears about once in every 46 million words in written English, the 209,386th most frequent word form (wordfreq, 2021 data). As a noun, arcsecond means “A unit of angle; 1/60th of an arcminute, or 1/3600th of a degree” (English Wiktionary, September 2026). The plural of arcsecond is arcseconds.

How many letters and syllables are in arcsecond?

Letters9: A-R-C-S-E-C-O-N-D
In writingabout once in every 46 million words; the 209,386th most frequent word form
Wrong spellings searchednone measured in search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How common is arcsecond?

Arcsecond appears about once in every 46 million words in written English, the 209,386th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How do you pronounce arcsecond?

  • US

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Flame,_not_lame-arcsecond.wav, Wikimedia Commons (author and licence on each file's page).

Forms of arcsecond

  • arcseconds plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does arcsecond mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    A unit of angle; 1/60th of an arcminute, or 1/3600th of a degree.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How do you abbreviate arcsecond?

Wiktionary records one abbreviation of arcsecond: arcsec.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Where does arcsecond come from?

From arc + second.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What to look up after arcsecond