absolutely required and not to be used up or sacrificed
absolutely necessary; vitally necessary; "essential tools and materials"; "funds essential to the completion of the project"; "an indispensable worker"
being or relating to or containing the essence of a plant etc; "essential oil"
(used as an interjection) an expression of surprise or skepticism or irony etc.; "Wants to marry the butler? Indeed!"
in truth (often tends to intensify); "they said the car would break down and indeed it did"; "it is very cold indeed"; "was indeed grateful"; "indeed, the rain may still come"; "he did so do it!"
an anatomical structure used as a point of origin in locating other anatomical structures (as in surgery) or as point from which measurements can be taken
a mark showing the boundary of a piece of land
an event marking a unique or important historical change of course or one on which important developments depend; "the agreement was a watershed in the history of both nations"
the position of a prominent or well-known object in a particular landscape; "the church steeple provided a convenient landmark"
a political organization within the Democratic Party in New York City (late 1800's and early 1900's) seeking political control by corruption and bossism
a telecommunication system that transmits images of objects (stationary or moving) between distant points
broadcasting visual images of stationary or moving objects; "she is a star of screen and video"; "Television is a medium because it is neither rare nor well done" - Ernie Kovacs
an adviser to the court on some matter of law who is not a party to the case; usually someone who wants to influence the outcome of a lawsuit involving matters of wide public interest
not consisting of matter; "immaterial apparitions"; "ghosts and other immaterial entities"
(often followed by `to') lacking importance; not mattering one way or the other; "whether you choose to do it or not is a matter that is quite immaterial (or indifferent)"; "what others think is altogether indifferent to him"
of no importance or relevance especially to a law case; "an objection that is immaterial after the fact"