noun · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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General-American:/ˈpɑɹ.sɛk/
Received-Pronunciation:/ˈpɑː.sɛk/
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:P AA1 R S EH2 K
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
Syllabic abbreviation of parallax second.
Definition source: English Wiktionary via Wiktextract
Topics: astronomy, metrology, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: pc, psc, second of parallax
Antonyms: none provided
2
noun
Meaning 2
a unit of astronomical length based on the distance from Earth at which stellar parallax is 1 second of arc; equivalent to 3.262 light years
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: secpar
Antonyms: none provided
Broader terms: astronomy unit
History
Etymology
Contraction of parallax second.
Across languages
Translations
23 source translations are retained for this English entry.
Arabic:
فرسخ
(farsakh)
— parallax second
Arabic:
فرسخ فلكي
(farsakh falakiyy)
— parallax second
Bulgarian:
парсе́к
(parsék)
— parallax second
Cherokee:
ᏆᏎᎦ
(quasega)
— parallax second
Chinese Mandarin:
秒差距
(miǎochājù)
— parallax second