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tri-

  1. a combining form meaning “three,” used in the formation of compound words:

    triacid; triatomic.



tri-

prefix

  1. three or thrice

    trigon

    triaxial

    trisect

  2. occurring every three

    trimonthly



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Word History and Origins

Origin of tri-1

Middle English < Latin, combining form representing Latin trēs, tria, Greek treîs, tría three

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Word History and Origins

Origin of tri-1

from Latin trēs , Greek treis

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Example Sentences

And also those that contain norgestimate, which include Ortho-Cyclen and Tri-Cyclen.

It was the fall of 2012, and Hurricane Sandy had just devastated the Tri-State area.

In a quote usually associated with Bill Stout, designer of the Ford Tri-Motor: “Simplicate and add more lightness.”

Manhattan was the patient groom in my unspoken arranged marriage, the implicit goal of any tri-state suburban childhood.

I remember Pham Thi Luyen who lived several provinces north in Trieu Ai village, Quang Tri Province.

My weary shoulders fairly ache as we pass through the constant, or tri-yearly, recurrence of the same experience.

He rather prided himself on the way he played his part, and wore the tri-color cockade with an air of conviction.

Sabatier entered more carefully than he was wont to do, his hand upon a pistol thrust into his tri-color sash.

Tiny Moth planes stood wing to wing with huge tri-motored cabin ships that would hold a dozen passengers each.

Anthropolatry, an-thro-pol′a-tri, n. the giving of divine honours to a human being, a term always employed in reproach.

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