Englishfor English speakers
sine
—
noun
ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle
wave
Noun
—
A wave is the motion of water up and down.
wave
Verb
—
To move from side to side again and again.
The flag waved in the wind.
response
Noun
—
A response is some words or actions that happen as a reaction to something else.
We sent a message to them two weeks ago, but there has been no response so far.
The police response to these problems has been slow and weak.
In psychology, a response is a behavior which occurs after a stimulus.