Englishfor English speakers
constant
Adjective
—
If something is constant, it doesn't change over time.
I have this constant pain in my back. I wish it would stop.
The rain has been constant all morning.
constant
Noun
—
A constant is a value that doesn't change.
In the formula math7x^2+3y+5=z/math, 5 is a constant.
interval
Noun
—
A distance in space or in time.
There is a ten-minute interval between classes.
—
In music, an interval is the difference in pitch between two notes.
—
In mathematics, an interval is a connected section of the real line.
—
(mostly British) An intermission.
—
In the game of cricket, either of the two breaks, at lunch and tea, between the three sessions of a day's play.
scale
Noun
—
A series of eight notes.
scale
Verb
—
If you scale something, then you climb up it.