From Longman Dictionary of Contemporary Englishtripletrip‧le1 /ˈtrɪpəl ˌzɪərəʊ/ ●●○ adjective [only before noun], predeterminer 1 PARThaving three parts or involving three groups, people, events etc → double a triple murder investigation a triple bill of horror movies the triple world champion a triple bypass heart operation2 three times more than a particular number → double The rail system has triple the average number of accidents.
Examples from the Corpustriple• a triple jump in ice skating• a triple-layer chocolate caketripletriple2 ●●○ verb [intransitive, transitive] INCREASE IN ACTIVITY, FEELINGS ETCto increase by three times as much, or to make something do this → double The company has tripled in size. We expect to triple our profits next year.► see thesaurus at increase→ See Verb table
Examples from the Corpustriple• For example, employment in plants in a given industrial sector could halve while productivity tripled.• Within months, land prices in the southern half of the county tripled.• The party's majority in Congress tripled as a result of the election.• Between 1997-98 and 1999-00, the number of refugee clients nearly tripled from 1,276 to 3,365.• The population of the valley has tripled in the past 20 years.• Since the recommendation was made, some doctors have seen a doubling or tripling of cases.• They also tripled the concentration of the sucrose in the solution the eggs are exposed to during freezing.• To begin with, the average length of time per customer transaction tripled, which meant longer lines and increased waiting times.tripled in size• Under Dine, the ruling executive committee tripled in size.tripletriple3 noun [countable] 1 DSBa hit of the ball in baseball that allows the batter to get to the third base2 three turns of your body in a sport such as ice skating or gymnastics
Examples from the Corpustriple• It was ruled an error but very easily could have been a triple.• In an early version, at the beginning of each paragraph the relevant node-link-node triple was printed.• In the triples, the Prestwick side saw a great fightback just fail to take them to the final.From Longman Business Dictionarytripletrip‧le1 /ˈtrɪpəl/ adjective [only before a noun] having three parts or membersMusic sales saw triple-digit growth in the last financial year.a triple alliance of the government, state industries and foreign firmstripletriple2 verb [intransitive, transitive] to become three times as much or as many, or to make something do thisSYNTREBLEFourth quarter profits have tripled.The newspaper tripled its circulation in less than a year.→ See Verb table