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To constitute the distinction between: subspecies that are differentiated by the markings on their wings.
(verb-transitive)
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To perceive or show the difference in or between; discriminate.
(verb-transitive)
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To make different by alteration or modification.
(verb-transitive)
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Mathematics To calculate the derivative or differential of (a function).
(verb-transitive)
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To become distinct or specialized; acquire a different character.
(verb-intransitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.