American watercress
— Noun
– English
~ of southwestern Europe; cultivated in Florida
American watercress
— Noun
– English
~ mat-forming perennial found in cold springs of the eastern United States
air wave
— Noun
– English
~ a sound wave that is transmitted via air
alpha wave
— Noun
– English
~ the normal brainwave in the electroencephalogram of a person who is awake but relaxed; occurs with a frequency of 8-12 hertz
acoustic wave
— Noun
– English
~ (acoustics) a wave that transmits sound