varifocal
British
/ ˈvɛərɪˌfəʊkəl /
adjective
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optics having a focus that can vary
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relating to a lens that is graduated to permit any length of vision between near and distant
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
