Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To make clear or plain, especially by explanation; clarify.
  • intransitive v. To give an explanation that serves to clarify. See Synonyms at explain.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To make clear; to clarify; to shed light upon.

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To make clear or manifest; to render more intelligible; to illustrate.

from The Century Dictionary and Cyclopedia

  • To make clear or manifest; throw light upon; explain; render intelligible; illustrate: as, an experiment may elucidate a theory.
  • Synonyms Expound, etc. (see explain); to unfold, clear up.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. make free from confusion or ambiguity; make clear
  • v. make clear and (more) comprehensible

Etymologies

Late Latin ēlūcidāre, ēlūcidāt- : Latin ē-, ex-, intensive pref.; see ex- + Latin lūcidus, bright (from lūcēre, to shine; see leuk- in Indo-European roots).
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Late Latin elucidatus, past participle of elucidō ("clarify"), from Latin ex- and lucidus ("clear") (Wiktionary)

Examples

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