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Collins Concise English Dictionary © HarperCollins Publishers:: damping off n - any of various diseases of plants, esp the collapse and death of seedlings caused by the parasitic fungus Pythium debaryanum and related fungi in conditions of excessive moisture
damp /dæmp/USA pronunciation adj., -er, -est, n., v. adj. - slightly wet;
moist:The towels were still damp.
n. [uncountable] - moisture;
humidity;
moist air:the damp of the morning.
v. - [ ~ + obj] to make damp;
moisten. - to reduce, check, or slow down the energy, action, etc., of:[~ (+ down ) + object]His loss didn't damp (down) his enjoyment of living.
- [ ~ (+ down) + obj] to extinguish:to damp (down) a furnace.
damp•ly, adv. damp•ness, n. [uncountable] WordReference Random House Unabridged Dictionary of American English © 2024damp•ing-off (dam′ping ôf′, -of′),USA pronunciation n. [Plant Pathol.]- Plant Diseasesa disease of seedlings, occurring either before or immediately after emerging from the soil, characterized by rotting of the stem at soil level and eventual collapse of the plant, caused by any of several soil fungi.
WordReference Random House Unabridged Dictionary of American English © 2024damp (damp),USA pronunciation adj., -er, -est, n., v. adj. - slightly wet;
moist:damp weather; a damp towel. - unenthusiastic;
dejected;
depressed:The welcoming committee gave them a rather damp reception.
n. - moisture;
humidity;
moist air:damp that goes through your warmest clothes. - a noxious or stifling vapor or gas, esp. in a mine.
- depression of spirits;
dejection. - a restraining or discouraging force or factor.
v.t. - to make damp;
moisten. - to check or retard the energy, action, etc., of;
deaden;
dampen:A series of failures damped her enthusiasm. - to stifle or suffocate;
extinguish:to damp a furnace. - Music and Dance[Acoustics, Music.]to check or retard the action of (a vibrating string);
dull;
deaden. - Physicsto cause a decrease in amplitude of (successive oscillations or waves).
- damp off, to undergo damping-off.
- 1300–50; Middle English (in sense of def. 4); compare Middle Dutch damp, Middle High German dampf vapor, smoke
- 1.See corresponding entry in Unabridged dank, steamy. Damp, humid, moist mean slightly wet. Damp usually implies slight and extraneous wetness, generally undesirable or unpleasant unless the result of intention:a damp cellar; to put a damp cloth on a patient's forehead.Humid is applied to unpleasant dampness in the air:The air is oppressively humid today.Moist denotes something that is slightly wet, naturally or properly:moist ground; moist leather.
- 3.See corresponding entry in Unabridged dankness, dampness, fog, vapor.
- 7.See corresponding entry in Unabridged humidify.
- 8.See corresponding entry in Unabridged slow, inhibit, restrain, moderate, abate.
- 1.See corresponding entry in Unabridged dry.
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