What's the difference between biennial and triennial?

Biennial


Definition:

  • (a.) Happening, or taking place, once in two years; as, a biennial election.
  • (a.) Continuing for two years, and then perishing, as plants which form roots and leaves the first year, and produce fruit the second.
  • (n.) Something which takes place or appears once in two years; esp. a biennial examination.
  • (n.) A plant which exists or lasts for two years.

Example Sentences:

  • (1) The improved economic status of the aged has been documented by a series of surveys beginning in 1941-42 and carried out from time to time until 1972 and biennially since 1976.
  • (2) In both sexes, at all ages, all-cause, cardiovascular, and coronary mortality rates increased progressively in relation to antecedent heart rates determined biennially.
  • (3) When Philip Roth accepted the biennial International Booker prize honouring some 60 years of his fiction, from Goodbye, Columbus to Nemesis , he sat at a wooden table in the studio adjoining his airy Connecticut retreat looking as much like a retired priest, or judge, as the Grand Old Man of American letters, pushing 79.
  • (4) Cigarette smoking cessation and resumption patterns are presented from biennial examination data from the Framingham Study for the years 1956-1978.
  • (5) My exploded shed was made in 1991, but it wasn't until it was shown at São Paulo Biennial in 1994 that it became well-known."
  • (6) Events such as the Glasgow International and Manchester International are now must-sees, and the Folkestone Biennial looks like following suit.
  • (7) More than one in four myocardial infarctions that occurred over 30 years in the Framingham Study were detected only because of routine biennial electrocardiographic examinations.
  • (8) Assessments are made during routine surveys by field technicians, monthly by the Radiation Safety Officer, and biennially by an independent radiological expert.
  • (9) The obese classification was based on maximum body mass index (BMI) over the 16 available biennial examinations of the Framingham Heart Study.
  • (10) The selection of this population and the success in following it through biennial clinical examinations and indirect surveillance for deaths and hospitalizations are described.
  • (11) Based on 472 stroke events occurring during 10 years' follow-up from biennial examinations 9 and 14, stroke probabilities were computed using the Cox proportional hazards model for each sex based on a point system.
  • (12) The subjects consisted of 143 males and 208 females aged 58-88 years at the 15th biennial examination in 1978.
  • (13) During the tenth biennial examination of the Framingham Study, 1315 participants who were free of cardiovascular disease had fibrinogen levels measured.
  • (14) The festival was co-founded by Erlend Mogård-Larsen and curator Helga-Marie Nordby , who got the idea after working on an art biennial in Lofoten, Norway in 2010.
  • (15) It is the first time the biennial competition has been held in the UK for over 40 years.
  • (16) The hypothesis that obesity-related hypertension is relatively innocuous was explored by an examination of cardiovascular events over 34 years of follow-up when related to biennially measured weights and blood pressures using time-dependent covariate proportional hazards analysis.
  • (17) Perhaps his most significant international contribution was co-founding in 1978, with John Peatling, the International Seminar on Religious Education and Values (Isrev), bringing together international scholars at biennial conferences, initially held alternately in Europe and North America.
  • (18) Barack Obama’s chief of staff, Denis McDonough, took a clipboard and with mayor Ed Lee scoured San Francisco streets last week for the biennial homeless count.
  • (19) In terms of the bienniale itself, I was not so interested in what was happening on Riva degli Schiavoni [where some of the yachts are moored].
  • (20) More young people are joining the dole queue, with the youth unemployment rate increasing from 8.8% in 2008 to 13.3% in 2014, according to the biennial welfare report card from the Australian Institute of Health and Welfare (AIHW).

Triennial


Definition:

  • (a.) Continuing three years; as, triennial parliaments; a triennial reign.
  • (a.) Happening, coming about, or appearing once in every three years; as, triennial elections; a triennial catalogue; a triennial visitation.
  • (n.) Something which takes place or appears once in three years.

Example Sentences:

  • (1) The review also draws on data on maternal deaths, collated on a triennial basis and published by the National Health and Medical Research Council.
  • (2) However, in the coming months the company and pension trustees will receive a triennial valuation for the deficit, as at April 2010, carried out on a stricter, actuarial measure of assets and liabilities.
  • (3) The BHS fund, which has been widely reported to be in deficit to the tune of £100m, is scheduled for its triennial valuation at the end of this month.
  • (4) A description is given of a triennial investigation of hearing threshold carried out among 163 male adolescents whose mean age was 17 years at the first (1977) and 23 years at the last investigation (1983).
  • (5) Statistical models indicate triennial testing may deliver almost all of the effectiveness of annual testing at a substantially reduced cost, but the numerous reports of false-negative results argue strongly in favour of annual screening.
  • (6) However, on Tuesday – the last day of the triennial conference – some members stood up to say their ballot had not been recorded during voting late on Monday, when the resolution failed to pass by a single vote.
  • (7) As a result, lack of confidence is potentially holding the UK back from performing better in international league tables such as the OECD’s triennial Pisa tests.
  • (8) Triennial screening reduced mortality from cervical cancer among the elderly by 74% at a cost of $2254 per year of life saved.
  • (9) The prevalence of human papillomavirus (HPV) genotypes was investigated by the polymerase chain reaction (PCR) method in cytologically normal and abnormal cervical scrapes obtained from asymptomatic women (n = 1,346), participating in a triennial screening program for cervical cancer, and from a gynecological outpatient population (n = 593).
  • (10) Evaluation of MS temporal trends showed a significant increase in MS incidence during the study period: values ranged around two per 100,000 in the triennial periods 1965-1967, 1968-1970, and 1971-1973, and around five in each triennium from 1977 onward.
  • (11) On the day the MP for Clacton defects to Ukip ( Defection to Ukip puts pressure on Cameron , 29 August), the third Folkestone Triennial opens ( A nugget and spade resort?
  • (12) As triennial school psychological evaluations typically contain tests which have been administered previously, e.g., WISC-R, WRAT-R, we suggest that psychologists use caution when using Form M to test or retest the receptive vocabulary of emotionally handicapped or disturbed middle-school-age children.
  • (13) The triennial results from the Programme for International Assessment (Pisa), due on Tuesday but trailed in the Sunday press , have become education's equivalent of the football World Cup.
  • (14) Full triennial accreditation surveys were conducted by the Joint Commission on Accreditation of Healthcare Organizations in 1,628 of these institutions in 1986.
  • (15) The first group consisted of 143 consecutive samples from women with no cytological abnormalities who participated in a triennial screening program to prevent cervical cancer.
  • (16) For Biggs, the work, one of more than 20 commissions for the contemporary art triennial, now in its third year, has a far deeper resonance.
  • (17) The triennial valuation of the BHS pension scheme is being conducted with the results expected before 30 June.
  • (18) This could show a considerably worse funding hole compared with the last triennial valuation, conducted in April 2007.
  • (19) The pension fund had a deficit of £207m at the time of the last published accounts, although a triennial valuation scheduled to be completed by the end of June is expected to show it is now significantly more than this.
  • (20) The data are taken from the triennial New York City Housing and Vacancy Survey.