first heart sound n.
The heart sound that occurs with ventricular systole and is produced mainly by closure of the atrioventricular valves.
noun, Logic. 1. See under (def 5a). [in-ten-shuh n] /ɪnˈtɛn ʃən/ noun 1. an act or instance of determining mentally upon some action or result. 2. the end or object intended; purpose. 3. intentions. 4. the act or fact of intending. 5. Logic. 6. Surgery, Medicine/Medical. a manner or process of healing, as in the […]
noun 1. a socialistic organization (1864–76) formed to unite and promote the interests of workers throughout the world. Compare (def 6). noun 1. an association of socialists and labour leaders founded in London in 1864 and dissolved in Philadelphia in 1876 Official name International Workingmen’s Association
- First john
noun phrase A first lieutenant (1940s+ Army)
noun 1. (often initial capital letters) the wife of the president of the U.S. or of the governor of a state. 2. the wife of the head of any country: the First Lady of Brazil. 3. the foremost woman in any art, profession, or the like: first lady of the American theater. noun (often capitals) […]