Englishfor English speakers
back
Preposition
—
Toward the rear.
He went back behind the stands.
—
To a place again.
I didn't like it, so I sent it back.
He went back to the same house.
They came back again.
back
Noun
—
The back is the rear part of something; it is the part in the other direction from the front.
I went to the back of the house.
—
The back is the rear part of the human body.
He had a scar on his back.
back
Verb
—
If you back something, you support it.
The Republicans backed the bill.
—
If you back up, you move backward.
He put the car in gear and backed right into the garage door.
interpolation
—
noun
(mathematics) calculation of the value of a function between the values already known
—
noun
(= insertion)
a message (spoken or written) that is introduced or inserted
with the help of his friend's interpolations his story was eventually told
with many insertions in the margins
—
noun
(= interjection)
the action of interjecting or interposing an action or remark that interrupts
formula
Noun
—
A formula is a way to do something or solve a problem that does not change much.
There is no formula for making profit, yet many business people think there is.
The formula for converting from kilograms to pounds is mathx\ \mathrm{kg} \times 2.2/math
—
Infant formula is a powder that you mix with water to make a drink for babies.