Patient Handouts. 1  Acute coronary syndrome (Medical Encyclopedia) Also in Spanish. 2  Angioplasty and stent - heart - discharge (Medical Encyclopedia) Also in Spanish. 3  Angioplasty and stent placement - heart (Medical Encyclopedia) Also in Spanish. 4  Coronary angiography (Medical Encyclopedia) Also in Spanish.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  influential(Noun) A person who has influence. 2  influential(Adjective) Having or exerting influence. John Lennon was a very influential person in music, as well as in politics, fashion and general culture.
[...], so influential has been the discourse insisting on American specialness, altruism and opportunity, that imperialism in the United States as a word or ideology has turned up only rarely and recently in accounts of the United States culture, politics and history.lfred T. Mahan, who served as an officer in the U.S. Navy during the late 19th century, supported the notion of American imperialism in his 1890 book titled The Influence of Sea Power upon History.