(esp of military operations) occurring on land, at sea, and in the air
Word origin
C20: from tri- + (am)phibious
triphibious in American English
(traiˈfɪbiəs)
adjective
employing or involving land, naval, and air forces in a combined operation
Also: triphibian
Word origin
[1940–45; tri- + (am)phibious]This word is first recorded in the period 1940–45. Other words that entered Englishat around the same time include: black box, blockbuster, sealant, set-aside, snorkeltri- is a combining form meaning “three,” used in the formation of compound words. Otherwords that use the affix tri- include: triforium, triglyceride, triglyph, trilemma, triple