Go to 'thermo-' entry Go to 'dino-' entry Go to 'chondro-' entry Go to 'aero-' entry Go to '-logy' entry Go to 'thaumato-' entry Go to 'nano-' entry Go to '-sophy' entry Go to 'bucco-' entry Go to '-ism' entry Go to '-lysis' entry Go to 'galacto-' entry Go to '-anthropy' entry Go to 'pneumo-' entry Go to '-ploitation' entry Go to '-lithic' entry Go to '-sepalous' entry Go to 'onco-' entry Go to '-parous' entry Go to 'dermato-' entry Go to 'multi-' entry Go to 'dodeca-' entry Go to '-zoon' entry Go to 'vermi-' entry Go to 'crystallo-' entry Go to 'biblio-' entry Go to 'eco-' entry Go to 'juxta-' entry Go to 'facio-' entry
Affixes: the building blocks of English
Affixes: the building blocks of English

quadr(i)- Also quadru-.

Four; having four parts; square.

[Latin quadrans, a quarter, from quattuor, four.]

Examples are quadrilateral, a shape or figure having four sides; quadruped, an animal with four legs; and quadruple, fourfold or having four parts; a quadrangle, a square or rectangular space, so called because it has four angles. The related Latin word for forty, quadraginta, appears in the archaic quadragesimal, a period of forty days (as in the Lenten fast, hence Quadragesima, the first Sunday in Lent) and in quadragenarian, a person aged between 40 and 49. For quadrillion see the entry Number words.

Visit Michael Quinion’s World Wide Words site for 2000+ articles on English!

Copyright © Michael Quinion 2008–. All rights reserved. Page last updated 23 September 2008.
Your comments and suggestions on the site are very welcome.