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centripetal forced or moving inward toward a center point or axis. [2 definitions]
centripetal force a force that tends to pull a particle or body toward the axis around which it rotates. (Cf. centrifugal force.)
centrist a person whose ideology lies near the center of the political spectrum; moderate. [2 definitions]
centrosome a minute protoplasmic body, near the nucleus in most animal cells, that divides in mitosis.
centurion in ancient Rome, an officer in command of a company of about one hundred men.
century a unit of time equal to one hundred years. [2 definitions]
century plant a desert agave, once believed to flower only once in a century, with fleshy leaves and a very tall stem on which greenish flowers appear every ten to twenty years.
CEO abbreviation of "chief executive officer."
-cephalic having (such) a type of head or number of heads; -cephalous.
cephalic of or relating to the head. [2 definitions]
cephalic index the ratio of the greatest width of a human head to its greatest length, multiplied by one hundred; cranial index.
cephalo- head or skull.
cephalopod any of various marine mollusks, such as the octopus or squid, that have highly developed eyes, and tentacles attached to the head around the mouth.
cephalothorax the fused unit of head and thorax in certain arachnids and crustaceans.
-cephalous having (such) a type of head or number of heads; -cephalic.
Cepheus a circumpolar constellation in the northern sky, located between Cassiopeia and Draco. [2 definitions]
ceramic of or pertaining to objects made from clay or other nonmetallic mineral. [3 definitions]
Cerberus in Greek and Roman mythology, the three-headed dog that guards the entrance to Hades.
cere a waxy, fleshy, often brightly colored area at the upper part of the beak in certain birds, such as some parrots, eagles, or hawks, that contains the nostrils.
cereal any plant producing an edible grain, such as wheat, rye, or oats, or the like. [4 definitions]
cerebellum the region of the brain controlling voluntary muscle coordination and balance.