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visual binary

noun Astronomy.

a binary star having components that are sufficiently separated to be resolved by a telescope.

Compare spectroscopic binary.

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

visual binary in Science

visual binary

[vĭzh′ōō-əl]

See under binary star.

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