occurring, taking place, done, or acted upon every three months
Word origin
[1855–60; tri- + monthly]This word is first recorded in the period 1855–60. Other words that entered Englishat around the same time include: keyword, lavabo, pickup, pipeline, specialisttri- is a combining form meaning “three,” used in the formation of compound words. Otherwords that use the affix tri- include: triforium, trigeminal, triglyceride, triglyph, trio
Examples of 'trimonthly' in a sentence
trimonthly
Trimonthly baiting intervals were far less effective and did not prevent parasite recovery.
Daniel Hegglin, Peter Deplazes 2008, 'Control Strategy for Echinococcus multilocularis', Emerging Infectious Diseaseshttps://wwwnc.cdc.gov/eid/article/14/10/08-0522_article. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)