ascertain the size, amount, or degree of (something) by using an instrument or device marked in standard units or by comparing it with an object of known size
It is a measure of the amount of matter in an object.
what does key mean in math
a
about
a unit of linear measure
It is a measure of the amount of matter in an object.
unit is what you measure by for example: cm, ft, in, mm, m, yd, etc.
what does key mean in math
Having all angles with the same measure. A rectangle, for example is equiangular (each angle = 90 deg).
a
about
a unit of linear measure
I do not know of such a word related to math(s)
A dose unit of measure is likely to be a measured portion of a medicine.
There is no such math word, so it does not mean anything. You may wish to check your spelling before posting questions!
The word at means the least
the word by means 'times' or 'multiply'