subtractionunit
nounUK /səbˈtrækʃən ˈjuːnɪt/
US /səbˈtrækʃən ˈjuːnɪt/
A subtraction unit is a small part of a math program that teaches you how to take one number away from another.
We finished the subtraction unit in math class and now we can take away numbers up to twenty.
RELATED WORDS
OTHER MEANINGS
2. A hardware component in a computer or calculator that performs subtraction.
The processor's subtraction unit handles all the take-away calculations.
3. A group of soldiers or equipment organized to remove something from a place.
The subtraction unit cleared the debris from the road.
4. A section of a textbook or course focused on subtraction skills.
Turn to the subtraction unit on page forty-two.