A low, prolonged sound made by a person in pain, discomfort, or deep thought.
He let out a groan from the pain.
A continuous low sound from a machine, motor, or electronic device.
The hum of the refrigerator bothers me and I can't sleep.
kite hummer; buzzing device on a kite
A small device attached to a kite that produces a humming sound when the kite is flown. A traditional toy accessory.
When you fly a kite with a hummer attached, it makes a buzzing sound.
In physics, the periodic variation in amplitude when two sound waves of slightly different frequencies interfere.
Beats occur when two sound waves with slightly different frequencies overlap.
groan; moan · growl; snarl; roar · hum; drone; buzz; howl
start to roar; begin to groan; let out a loud noise
Standard kanji spelling for the noun form of 唸る.
Kana spelling is common in everyday writing, especially when the kanji is not needed.
Rarely used kanji form; 唸り is overwhelmingly more common.
Noun form of the verb 唸る (unaru), of native Japanese origin. The exact derivation of the verb is uncertain.