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refractile of, relating to, or capable of refraction; refractive.
refracting telescope an optical telescope that uses lenses rather than mirrors to focus light rays. (Cf. reflecting telescope.)
refraction the bending of rays or waves of light, heat, sound, or the like when passed obliquely from one medium to another with a different rate of transmission. [2 definitions]
refractor something that causes refraction. [2 definitions]
refractory obstinately disobedient; difficult to control, as a child or animal. [4 definitions]
refrain1 to hold oneself back; to not enter into a particular action; desist; forbear (often fol. by "from").
refrain2 a phrase or verse repeated at regular intervals in a poem or song, esp. at the end of each stanza. [2 definitions]
reframe combined form of frame.
refrangible capable of being refracted or bent.
refreeze combined form of freeze.
refresh to revive the energy or spirits of (a person), as with food, rest or a bath. [4 definitions]
refresher course a course serving as a review of material previously studied, esp. to bring knowledge or professional skills up to date.
refreshing relieving or capable of relieving such things as tiredness, thirst, or the feeling of being overheated. [2 definitions]
refreshment (often pl.) something that refreshes or that is taken to refresh oneself, esp. food and drink. [2 definitions]
refried beans a Mexican dish consisting of dried pinto beans that have been cooked, seasoned, mashed, and fried.
refrigerant freezing, cooling, or refrigerating. [2 definitions]
refrigerate to make cold or cool, esp. to preserve.
refrigeration the act of refrigerating or state of being refrigerated.
refrigerator a room, cabinet, or appliance where food or other substances are preserved in a cold environment.
refuge shelter, protection, or comfort. [3 definitions]
refugee a person forced to leave his or her home or native land to seek safe refuge, usu. as a result of war, persecution, or the like.