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parsec

noun

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

Quick reference

Word Facts

Word length
6
Starts with
P
Ends with
C
Contains
AR
Scrabble score
10
Database source
OEWN 2025 Core

How it sounds

Pronunciation

ˈpɑɹsɛk

Meaning

Definitions

noun

  1. 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

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Synonyms

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