Mathematics Of, relating to, or being a mapping such that every element of the target set referred to is the image of an element in the domain.
from The American Heritage Dictionary of the English Language, 4th Edition
Mapping elements in such a way that every element in one set is the image of at least one element in another set .
from Free Scrabble Dictionary
preposition
On top of; to a position on; upon: The dog jumped onto the chair. See Usage Note at on.
from The American Heritage Dictionary of the English Language, 4th Edition
To a position on.
from Free Scrabble Dictionary
In or into a state of awareness about .
from Free Scrabble Dictionary
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