quadr-

American  

1. variant of quadri- before a vowel.

   quadrennial.

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quadr- British  

combining form

1. a variant of quadri-

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Usage

What does quadr- mean? Quadr- is a combining form used like a prefix meaning “four.” It is used in a great variety of technical and scientific terms.Quadr- comes from the Latin quattuor, meaning “four.” The Greek equivalent is tetra-, which also appears as tetr-, as in tetrahedron. Want to know more? Check out our Words That Use entries for tetr- and tetra-.What are variants of quadr-?Quadr- is a variant of quadri-, which loses its -i- when combined with words or word elements beginning with vowels.In other instances, quadr- becomes quadra-, as in quadraphony.Before some labial consonants (such as -p- or -f-), quadr- becomes quadru-, as in quadruplex, which uses the Latin equivalent of the form.Want to learn more? Check out our Words That Use entries for quadra-, quadri-, and quadru-.

Example Sentences

Quadr.; contains a number of Old Latin readings, and on the whole rather resembles Br.

From Project Gutenberg

Ursus americanus var. cinnamomum Audubon and Bachman, Quadr.

From Project Gutenberg

Quadr.” is an innocuous and sweet animal; but, when pressed hard by dogs and men, it can eject such a most pestilent and fetid smell and excrement, that nothing can be more horrible.

From Project Gutenberg

Mr Pennant, in his Synopsis Quadr. p. 835,2 has given a very good description of this animal under the name of Arctic Walrus, but I have no where seen a good drawing of one.

From Project Gutenberg