purify air
1Air purifier — An air purifier is a device which removes contaminants from air. Air purifiers are commonly marketed as being particularly beneficial to allergy sufferers and asthmatics, and at reducing second hand tobacco smoke. Use of purifiers Dust, pollen,… …
2Purify — Pu ri*fy (p[=u] r[i^]*f[imac]), v. t. [imp. & p. p. {Purified} (p[=u] r[i^]*f[imac]d); p. pr. & vb. n. {Purifying} (p[=u] r[i^]*f[imac] [i^]ng).] [F. purifier, L. purificare; purus pure + ficare (in comp.) to make. See {Pure}, and { fy}.] 1. To… …
3air — [n1] gases forming the atmosphere blast, breath, breeze, draft, heavens, ozone, puff, sky, stratosphere, troposphere, ventilation, waft, whiff, wind, zephyr; concept 437 air [n2] distinctive quality or character; style address, affectation,… …
4purify — UK [ˈpjʊərɪfaɪ] / US [ˈpjʊrəfaɪ] verb [transitive] Word forms purify : present tense I/you/we/they purify he/she/it purifies present participle purifying past tense purified past participle purified 1) to make something clean by removing dirty or …
5purify — pu|ri|fy [ pjurəfaı ] verb transitive 1. ) to make something clean by removing dirty or harmful substances from it: The rooms are equipped with systems that purify the air and water. 2. ) to make a person holy or without evil: the need to purify… …
6air — I (New American Roget s College Thesaurus) I n. atmosphere (See air); mien, bearing, appearance; tune, melody (See music). v. t. ventilate (See air); proclaim, broadcast (See publication). II Earth s atmosphere Nouns 1 …
7purify — verb 1) trees help to purify the air Syn: clean, cleanse, refine, decontaminate; filter, clarify, clear, freshen, deodorize; sanitize, disinfect, sterilize 2) they purify themselves before the ceremony Syn …
8air — n 1. atmosphere, sky, aerospace, heavens, Literary. welkin, the open; ozone, oxygen, ether; breeze, zephyr, whiff, light wind, puff of wind, draft, ventilation. 2. circulation, dissemination, publication, Archaic. divulgation; revelation,… …
9clear the air — purify the atmosphere, clarify things …
10Vacuum swing adsorption — Vacuum Swing Absorption (VSA) is a non cryogenic gas separation technology. Using special solids, or absorbents, VSA segregates certain gases from a gaseous mixture under minimal pressure according to the species molecular characteristics and… …