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Tri- is a combining form that means three or having three elements or parts. It can also mean into three, thrice, or every third. Learn more about its etymology, usage, and examples.
Tri- is an English prefix derived from Greek and Latin that means "three". Learn how to use it in words like triathlon, tricycle, trio, and trilogy, and discover its etymology and related roots.
Tri- is a prefix derived from Latin and Greek that means "three". It is used in many words, such as trident, triangle, and tricycle. Learn more about its origin, examples, and related words.
Tri- is a prefix that means three or triplet in English. It comes from Greek and Latin roots. Learn how to use it in words like triangular, trio, and tripod.
Learn the meaning and usage of the prefix 'tri-', which indicates 'three' or 'thrice' in nouns and adjectives. See examples, synonyms, pronunciation, and word origin of 'tri-'.
tri- is a prefix that indicates three or thrice in words like tricycle or trigon. It can also mean occurring every three or every three times, as in trimonthly or triweekly.
tri- is a prefix that means three or having three, as in tricycle or triangular. Learn how to use it in nouns and adjectives with examples and pronunciation.
tri-, comb. form meanings, etymology, pronunciation and more in the Oxford English Dictionary
TRI- meaning: three having three parts
tri- Used in combination with a known element name (e.g. 'tri-silicon') to designate an unknown element that would reside three periods lower than the known element on a Mendeleev-type periodic table. See Mendeleev's predicted elements.