damper

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a movable iron plate that regulates the draft in a stove or chimney or furnace
• Derivationally related forms:
damp
• Hypernyms:
plate
• Part Holonyms:
chimney
2. a device that decreases the amplitude of electronic, mechanical, acoustical, or aerodynamic oscillations
• Syn:
muffler
• Derivationally related forms:
muffle (for: muffler), damp
• Hypernyms:
device
• Hyponyms:
damper block, piano damper, dash-pot, shock absorber, shock, cushion
3. a depressing restraint
- rain put a damper on our picnic plans
• Derivationally related forms:
damp
• Hypernyms:
restraint