to lessen; to simplify a fraction by dividing by a common factor

to give back a likeness or image as a mirror does; to ponder, meditate

even or symmetrical in form or structure

in reference or repeat to

the state of being connected in a logical manner

the act of putting something new in the place of something

to serve as a sign or symbol or; to stand in the place of

to put back to or in a former place or state

an angle that measures 90 degrees

a number that when taken as a factor an indicated number of times gives a specified number

to turn or cause to turn about an axis or center; revolve

a number of objects in a horizontal orderly sequence

a principle that operates within a particular sphere of knowledge, describing or prescribing what is possible or allowable

a representative piece, item, or set of individuals that shows the quality or nature of the whole from which it was taken

something divided into regular spaces as a help in drawing or measuring