[ef-i-kuh-see] /ˈɛf ɪ kə si/
noun, plural efficacies.
capacity for producing a desired result or effect; effectiveness:
a remedy of great efficacy.
the quality of being successful in producing an intended result; effectiveness
1520s, from Latin efficacia “efficacy, efficiency,” from efficax (genitive efficacis) “powerful, effective,” from stem of efficere “work out, accomplish” (see effect). Earlier in same sense was efficace (c.1200), from Old French eficace (14c.), from Latin efficacia; also efficacite (early 15c.), from Latin efficacitatem.
[ih-fish-uh n-see] /ɪˈfɪʃ ən si/ noun, plural efficiencies. 1. the state or quality of being , or able to accomplish something with the least waste of time and effort; competency in performance. 2. accomplishment of or ability to accomplish a job with a minimum expenditure of time and effort: The assembly line increased industry’s efficiency. […]
noun 1. a small apartment consisting typically of a combined living room and bedroom area, a bathroom, and a kitchenette. noun 1. (US) a small flat or bedsit
noun 1. a person who studies the methods, procedures, and job characteristics of a business or factory with the object of devising ways to increase the efficiency of equipment and personnel.
[ih-fish-uh nt] /ɪˈfɪʃ ənt/ adjective 1. performing or functioning in the best possible manner with the least waste of time and effort; having and using requisite knowledge, skill, and industry; competent; capable: a reliable, efficient assistant. 2. satisfactory and economical to use: Our new air conditioner is more efficient than our old one. 3. producing […]