2. (Bot.) (a) Expanding first at the base of the inflorescence, and proceeding in order towards the summit. (b) Having the radicle turned toward the axis of the fruit, as some embryos.

3. Progressing by changes from the exterior of a thing toward its center; as, the centripetal calcification of a bone. R. Owen. Centripetal force (Mech.), a force whose direction is towards a center, as in case of a planet revolving round the sun, the center of the system, See Centrifugal force, under Centrifugal. — Centripetal impression (Physiol.), an impression (sensory) transmitted by an afferent nerve from the exterior of the body inwards, to the central organ.

CENTRIPETENCE
Cen*trip"e*tence, n.

Defn: Centripetency.

CENTRIPETENCY
Cen*trip"e*ten*cy, n.

Defn: Tendency toward the center.

CENTRISCOID
Cen*tris"coid, a. Etym: [NL. Centriscus (r. Gr. -oid.] (Zoöl.)

Defn: Allied to, or resembling, the genus Centriscus, of which the bellows fish is an example.

CENTROBARIC
Cen`tro*bar"ic, a. Etym: [Gr. (

Defn: Relating to the center of gravity, or to the process of finding it. Centrobaric method (Math.), a process invented for the purpose of measuring the area or the volume generated by the rotation of a line or surface about a fixed axis, depending upon the principle that every figure formed by the revolution of a line or surface about such an axis has for measure the product of the line or surface by the length of the path of its center of gravity; — sometimes called theorem of Pappus, also, incorrectly, Guldinus's properties. See Barycentric calculus, under Calculus.