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megaparsec

[meg-uh-pahr-sek]

noun Astronomy.

one million parsecs.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

megaparsec in Science

megaparsec

[mĕg′ə-pär′sĕk]

One million parsecs.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.