tetra-, tetr-

(Greek: four; a number used as a prefix)

tetraphalangeate
Having four phalanges.
tetrapharmacal
Compounded of four ingredients.
tetraphony
In Russia in the eighteenth century, innovative icons began to be produced, with models taken from Roman Catholic paintings of the Italian Renaissance, and polyphony or heterophony, called four-part harmony (tetraphony), began to be used in Russian churches, in imitation of the innovative ecclesiastical music of the West.
tetraphyllous
tetraploid
tetrapneumonous
tetrapod, tetrapodous
Having four feet or four limbs; specifically, in entomology, belonging to the Tetrapoda, a division of butterflies having only four perfect legs, the anterior pair being unfit for walking.
tetrapodic
A reference to having four feet, four arms, four ears, etc.
tetrapods, tetrapus
Having four feet.
tetrapolis
A district of four cities; a state or political division consisting of four towns.
tetrapteran
tetrapterous
tetraradiate
tetrarch
One of four joint rulers, directors, or heads.
tetrarchic

Cross references of word families that are related, partially or totally, to: "four, fourth": quadri-; quatr-; tessara-.