necessary to life
Look at other dictionaries:
necessary — [nes′ə ser΄ē] adj. [ME < L necessarius < necesse, unavoidable, necessary < ne , not + cedere, to give way: see CEDE] 1. that cannot be dispensed with; essential; indispensable [the nutriments necessary to life] 2. resulting from… … English World dictionary
life|blood — «LYF BLUHD», noun. 1. the blood necessary to life: »Fear at my heart, as at a cup, My lifeblood seem d to sip (Samuel Taylor Coleridge). 2. Figurative. a source of strength and energy; the vital part of vitalizing influence: »Field work is the… … Useful english dictionary
Life — For other uses, see Life (disambiguation). Life (Biota / Vitae / Eobionti) … Wikipedia
life — /laIf/ noun plural lives /laIvz/ PERIOD OF LIVING 1 (C, U) the period between a person s birth and death during which they are alive: Learning goes on throughout life. | You have your whole life ahead of you. | in your life: I d never seen the… … Longman dictionary of contemporary English
Life on Mars — For other uses, see Life on Mars (disambiguation). An artist s impression of what Mars surface and atmosphere may look like if Mars were terraformed. Scientists have long speculated about the possibility of life on Mars owing to the planet s… … Wikipedia
necessary — nec•es•sar•y [[t]ˈnɛs əˌsɛr i[/t]] adj. n. pl. sar•ies 1) essential, indispensable, or requisite: a necessary part of the motor[/ex] 2) cvb happening or existing by necessity; unavoidable: a necessary change in our plans[/ex] 3) acting or… … From formal English to slang
necessary — 1 adjective 1 something that is necessary is what you need to have or need to do; essential: I ll leave it to you to make all the necessary arrangements. (+ for): Food is necessary for life. | it is necessary (for sb) to do sth: It s not… … Longman dictionary of contemporary English
necessary — necessariness, n. /nes euh ser ee/, adj., n., pl. necessaries. adj. 1. being essential, indispensable, or requisite: a necessary part of the motor. 2. happening or existing by necessity: a necessary change in our plans. 3. acting or proceeding… … Universalium
life-giving — adjective a) Describing that necessary for life. We would have died without the unexpected rain that brought life giving water. b) Describing that which creates or engenders life, a source of life … Wiktionary
life support system — noun (C) 1 a piece of equipment that keeps someone alive when they are extremely ill 2 a piece of equipment that keeps people alive in conditions where they would not normally be able to live, such as in space 3 a natural system that is necessary … Longman dictionary of contemporary English
