rarefying
21rarefy — [ rɛ:rɪfʌɪ] (also rarify) verb (rarefies, rarefying, rarefied) make or become less dense or solid. Derivatives rarefication noun rarefactive adjective Origin ME: from OFr. rarefier …
22attenuation — n. 1. Thinning, diminishing, rarefying, making thin, thread like, or slender. 2. Thinness, thread likeness, slenderness, emaciation, slender elongation, extreme slenderness …
23rarefaction — rar•e•fac•tion [[t]ˌrɛər əˈfæk ʃən[/t]] n. 1) phs the act or process of rarefying 2) phs the state of being rarefied rar e•fac′tion•al, adj …
24rarefaction — /rɛərəˈfækʃən/ (say rairruh fakshuhn) noun 1. the act or process of rarefying. 2. the state of being rarefied. {Latin rārēfactiōn , stem of rārēfactiō} –rarefactive, adjective …
25rarefy — [c]/ˈrɛərəfaɪ / (say rairruhfuy) verb (rarefied, rarefying) –verb (t) 1. to make rare, more rare, or less dense. 2. to make less gross; refine. –verb (i) 3. to become rare or less dense; become thinned. {Latin rārēfacere} …
26rarefy — [rer′ə fī΄] vt., vi. rarefied, rarefying [ME rarefien < MFr rarefier < L rarefacere < rarus,RARE1 + facere, to make, DO1] 1. to make or become thin, or less dense [the rarefied mountain air] 2. to make or become more refin …
27rar|e|fac|tion — «RAIR uh FAK shuhn», noun. 1. the action of rarefying. 2. the process of being rarefied. 3. Physics. a) a decrease in density and pressure in a medium, such as air, due to the passing of a sound wave or other compression wave. b) the region in… …
