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damp (dămp)
Share:
adj. damp·er, damp·est
1. Slightly wet: a damp sponge.
2. Humid: damp air.
3. Archaic Dejected; depressed.
n.
1.
a. Moisture in the air; humidity: Come in out of the damp.
b. Moisture that lies or has condensed on something: “I saw the damp lying on the bare hedges and spare grass” (Charles Dickens).
2. Foul or poisonous gas that sometimes pollutes the air in coal mines.
3. Archaic
a. Lowness of spirits; depression: “An angry or sorrowful [countenance] throws a sudden damp upon me” (David Hume).
b. A restraint or check; a discouragement: “The issue of arms was so slow as to throw a great damp upon volunteering” (James Franck Bright).
tr.v. damped, damp·ing, damps
1. To make damp or moist; moisten.
2. To suppress or extinguish (a fire) by reducing or cutting off air.
3. To restrain or check: news that damped our enthusiasm.
4. Music To slow or stop the vibrations of (the strings of a keyboard instrument) with a damper.
5. Physics To decrease the amplitude of (an oscillating system).
Phrasal Verb:
damp offBotany
To be affected by damping off.

[Middle English, poison gas, perhaps from Middle Dutch, vapor.]

dampish adj.
damply adv.
dampness n.

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. 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:

    Indo-European Roots

    Semitic Roots

    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.