Related to trimonthly: quarterly


Done, occurring, or appearing every three months.

tri·month′ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


adj, adv
every three months
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(traɪˈmʌnθ li)

occurring, taking place, done, or acted upon every three months.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


adjdreimonatlich, vierteljährig, Vierteljahres-
n periodical, journalVierteljahresschrift f
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
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References in periodicals archive ?
The patient was consequently started on a trimonthly cyclic therapy of intravenous bisphosphonates in the form of zoledronic acid to treat his osteoporosis.
In the present case, however, recurrence was detected early as the localized disease by our regular trimonthly follow-up, and both maternal and fetal outcomes were favorable, while the median survival duration of the patients with recurrent disease after radical esophagectomy is 5 to 10 months [9].
Methods.--Samples were collected trimonthly between May 2009 and May 2010, in littoral and pelagic regions of each lake.
At some point feeling over-celebrated, we have decided to do it bimonthly or trimonthly. For many years, Cousin Sylvia, born in late January, friend Malu, in early February, and I have been celebrating together, and it has worked well since we have common friends.
'The trimonthly combination oral contraceptive regimen: Is it cost effective?' Contraception, 60(5), 263-267.
Bessie Whitwam read from Paul''s second letter to Trimonthly and the Rev Joe read and preached on St Marks Gospel.
However, after a hip injury disrupted his progress last season, the Gateshead Harrier has opted to postpone the necessary hip replacement until after the London Games, instead choosing to have trimonthly injections.
galloprovincialis Fifteen-month sampling (bi- or trimonthly); mussels from hanging ropes (1 m and 3 m in depth); no seasonal intensity fluctuations are shown M.
Trimonthly baiting intervals were far less effective and did not prevent parasite recovery.
In early 2006, the 3-mg trimonthly ibandronate IV injection received approval from the Food and Drug Administration for use in the treatment of postmenopausal osteoporosis.
In early 2006, the Food and Drug Administration approved the 3-mg trimonthly ibandronate IV injection for treating postmenopausal osteoporosis.