tr.v. ex·posed, ex·pos·ing, ex·pos·es
a. To subject or allow to be subjected to an action, influence, or condition: exposed themselves to disease; exposed their children to classical music.
b. To subject (a photographic film, for example) to the action of light.
c. To deprive of shelter or protection; lay open to danger or harm: troops that were exposed to gunfire.
2. To make visible: Cleaning exposed the grain of the wood. See Synonyms at show.
a. To make known (something discreditable).
b. To reveal the guilt or wrongdoing of: expose a criminal.
4. To engage in indecent exposure of (oneself).
[Middle English exposen, from Old French exposer, alteration (influenced by poser, to put, place) of Latin expōnere, to set forth; see EXPOUND.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.