quadri-

American  

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

   quadrilateral.

---

quadri- British  

combining form

1. four

   quadrilateral

   quadrilingual

   quadrisyllabic

---

Usage

What does quadri- mean? Quadri- is a combining form used like a prefix meaning “four.” It is used in a great variety of technical and scientific terms.Quadri- 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 quadri-?When combined with words or word elements that begin with a vowel, quadri- becomes quadr-, as in quadric.In other instances, quadri- becomes quadra-, as in quadraphony.Before some labial consonants (such as -p- or -f-), quadri- 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 quadr-, quadra-, and quadru-.

Etymology

Origin of quadri-

< Latin; akin to quattuor four

Example Sentences

Dr Shuja Quadri, an epidemiologist at the Government Medical College in Rajouri, said that the disease is localised and that they have ruled out the possibility of viral, bacterial, protozoal and zoonotic infections.

From BBC

On Tuesday, Ibrahim Quadri, a Goldman analyst, wrote in a note that he remained concerned that wage growth in Britain would settle at a level that would be inconsistent with the central bank meeting its target of 2 percent inflation.

From New York Times

“They were always nice people so it’s a surprise more than anything,” said Zach Quadri, a neighbor.

From Washington Times

And Giulia Quadri, a professional dog walker, took some dogs out on a “test run.”

From New York Times

Raffaele Alajmo runs the historic and opulent Caffè Quadri on on Saint Mark’s Square, along with his brother Massimiliano, a Michelin-starred star chef.

From The Guardian