damp off

damp  (dmp)

adj. damp·er, damp·est

1. Slightly wet. See Synonyms at wet.

2. Archaic Dejected.

n.

1. Moisture in the air; humidity.

2. Foul or poisonous gas that sometimes pollutes the air in coal mines.

3. Lowness of spirits; depression.

4. A restraint or check; a discouragement.

tr.v. damped, damp·ing, damps

1. To make damp or moist; moisten.

2. To extinguish (a fire, for example) by cutting off air.

3. To restrain or check; discourage.

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 off Botany

To be affected by damping off.

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

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dampish adj.

damply adv.

dampness n.

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damp off

vb

(Life Sciences & Allied Applications / Plant Pathology) (intr, adverb) (of plants, seedlings, shoots, etc.) to be affected by damping off