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"
a group of animals of the same type living together
(microbiology) a group of organisms grown from a single parent cell
a body of people who settle far from home but maintain ties with their homeland; inhabitants remain nationals of their home state but are not literally under the home state's system of government
a geographical area politically controlled by a distant country
one of the 13 British colonies that formed the original states of the United States
to the greatest degree or extent or most advanced stage (`furthest' is used more often than `farthest' in this abstract sense); "went the furthest of all the children in her education"; "furthest removed from reality"; "she goes farthest in helping us"
something that provides an important central source for growth or development; "the taproot of his resentment"; "genius and insanity spring from the same taproot"
(botany) main root of a plant growing straight downward from the stem
commonplace and ordinary; "the familiar everyday world"
found in the ordinary course of events; "a placid everyday scene"; "it was a routine day"; "there's nothing quite like a real...train conductor to add color to a quotidian commute"- Anita Diamant
characterized by or constituting a form of government in which power is held by one central authority; "a unitary as opposed to a federal form of government"
of or pertaining to or involving the use of units; "a unitary method was applied"; "established a unitary distance on which to base subsequent calculations"
relating to or characterized by or aiming toward unity; "the unitary principles of nationalism"; "a unitary movement in politics"