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.
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.