it is essential that
91that, which — To understand the distinctions between that and which it is necessary to understand restrictive and nonrestrictive clauses. A nonrestrictive, or nondefining, clause is one that can be regarded as parenthetical: The tree, which had no leaves, was …
92essential amino acid — noun an amino acid that is required by animals but that they cannot synthesize; must be supplied in the diet • Hypernyms: ↑amino acid, ↑aminoalkanoic acid • Hyponyms: ↑arginine, ↑histidine, ↑isoleucine, ↑leucine, ↑ …
93essential chemicals — In counterdrug operations, compounds that are required in the synthetic or extraction processes of drug production, but in most cases do not become part of the drug molecule. Essential chemicals are used in the production of cocaine or heroin …
94essential — 1. noun /ɪˈsɛn.tʃəl/ a) A necessary ingredient. b) A fundamental ingredient. See Also: essence 2. adjective /ɪˈsɛn.tʃəl/ a) …
95essential — [ɪ sɛnʃ(ə)l] adjective 1》 absolutely necessary; extremely important. 2》 central to the nature of something; fundamental: the essential weakness of the plaintiff s case. 3》 (of an amino acid or fatty acid) required for normal growth but not… …
96essential — adj. describing a disorder that is not apparently attributable to an outside cause; for example, essential hypertension …
97essential proposition — noun : an analytic proposition * * * essential proposition, Logic. a proposition which predicates of a subject something that is implied in its definition …
98essential amino acid — Biochem. any amino acid that is required by an animal for growth but that cannot be synthesized by the animal s cells and must be supplied in the diet. [1935 40] * * * …
99essential communications traffic — Transmissions (record or voice) of any precedence that must be sent electrically in order for the command or activity concerned to avoid a serious impact on mission accomplishment or safety or life …
100essential industry — Any industry necessary to the needs of a civilian or war economy. The term includes the basic industries as well as the necessary portions of those other industries that transform the crude basic raw materials into useful intermediate or end… …
