Words nearby quadr-
WORDS THAT USE QUADR-
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-.
Examples of quadr-
An example of a word that features quadr- is quadrangle, “a plane figure having four angles and four sides, as a square.” The word comes from the Latin quadrangulus, which uses the equivalent of the form quadr-.
As we have seen, the quadr- portion of the word means “four,” and -angle means “the space within two lines diverging from a common point.” Quadrangle literally translates to “four angles.”
What are some words that use the combining form quadr- or its equivalent in Latin?
What are some other forms that quadr- may be commonly confused with?
Break it down!
The Latin combining form -ennial means “year.” With this in mind, how often does a quadrennial event take place?