inessential requirement

См. также в других словарях:

• requirement — noun 1. required activity (Freq. 19) the requirements of his work affected his health there were many demands on his time • Syn: ↑demand • Derivationally related forms: ↑demand (for: ↑ …   Useful english dictionary

• necessity — I (New American Roget s College Thesaurus) I n. need (see necessity); compulsion; poverty. II What must happen Nouns 1. necessity, necessitation, obligation, compulsion, subjection; needfulness, essentiality, indispensability; dire or cruel… …   English dictionary for students

• essential — I (New American Roget s College Thesaurus) adj. substantial, material, constitutional, fundamental, elementary, absolute; necessary, needful, requisite, cardinal, indispensable, vital; inherent, intrinsic, basic. See necessity, part, importance.… …   English dictionary for students

• Van Stockum dust — In general relativity, the van Stockum dust is an exact solution of the Einstein field equation in which the gravitational field is generated by dust rotating about an axis of cylindrical symmetry. Since the density of the dust is increasing with …   Wikipedia

• Large countable ordinal — In the mathematical discipline of set theory, there are many ways of describing specific countable ordinals. The smallest ones can be usefully and non circularly expressed in terms of their Cantor normal forms. Beyond that, many ordinals of… …   Wikipedia

• aesthetics — /es thet iks/ or, esp. Brit., /ees /, n. (used with a sing. v.) 1. the branch of philosophy dealing with such notions as the beautiful, the ugly, the sublime, the comic, etc., as applicable to the fine arts, with a view to establishing the… …   Universalium

• essential — [adj1] important, vital capital, cardinal, chief, constitutive, crucial, foremost, fundamental, imperative, indispensable, leading, main, necessary, necessitous, needed, needful, prerequisite, principal, required, requisite, righthand, wanted;… …   New thesaurus