R&Dabbr. department in a company that develops new products
radiate v. to send out rays or waves; to issue or emerge in rays or waves
raise n. increase in salary; wage increase
raise v. to elevate; to lift; to excite; to arouse; to cause; to bring about; to grow; to cultivate
ranches n. farm with large pastureland for raising livestock
randomly adv. accidentally; by chance
range n. mountain chain; meadow; pasture; scope; extent; shooting gallery; field; domain; assortment
range v. to determine the scope of a target; to extend; to stretch; to vary; to fluctuate within certain boundaries
rank v. to arrange in a line; to arrange in a row; to grade; to classify; to assign a rank
rarely adv. infrequently; not often; seldom
rate n. proportion between two things; price, cost; speed, pace; tax, assessment
rate v. to assess, to appraise, to determine value; to grade, to classify, to sort
rational adj. logical; reasonable; intelligent; prudent; expressible as a whole number (Mathematics)
razor n. a sharp-edged cutting instrument used especially for shaving the face or other body parts; an electric instrument with vibrating or rotating blades used for shaving
razor v. to shave, cut, or remove with or as with a razor