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tetra-
(TET-ruh)four
Greek for four. The Latin twin is quad-: a tetrapod and a quadruped both have four feet.
prefixGreek
Number & quantitySpellings:tetratetr
Example words
tetrahedron
a solid with four flat faces
tetrapod
an animal with four limbs
tetragonal
having four angles or sides
tetrachord
a musical scale of four notes
Common Core alignment
Grades served: 6, 7, 8
- L.6.4bUse common, grade-appropriate Greek or Latin affixes and roots as clues to the meaning of a word (e.g., audience, auditory, audible).
- L.7.4bUse common, grade-appropriate Greek or Latin affixes and roots as clues to the meaning of a word (e.g., belligerent, bellicose, rebel).
- L.8.4bUse common, grade-appropriate Greek or Latin affixes and roots as clues to the meaning of a word (e.g., precede, recede, secede).
Related roots
Number & quantity. Roots that count, measure, and tell you how many.
Browse all number & quantity roots →L.6.4bL.7.4bL.8.4b