the motion or velocity of a revolving body, as a planet, by which it approaches to, or recedes from, the
center, without reference to its motion in space, or to its motion as reckoned in any other direction.
Parachordal
(Par`a*chor"dal) a. [Pref. para- + chordal.] (Anat.) Situated on either side of the notochord; —
applied especially to the cartilaginous rudiments of the skull on each side of the anterior part of the
notochord. — n. A parachordal cartilage.
Parachronism
(Pa*rach"ro*nism) n. [Pref. para- + Gr. time: cf. F. parachronisme.] An error in chronology,
by which the date of an event is set later than the time of its occurrence. [R.]
Parachrose
(Par"a*chrose) a. [Gr. false coloring; para` beside, beyond + color.] (Min.) Changing color
by exposure Mohs.
Parachute
(Par"a*chute) n. [F., fr. paper to ward off, guard + chute a fall. See Parry, and Chute,
Chance.]
1. A contrivance somewhat in the form of an umbrella, by means of which a descent may be made from
a balloon, or any eminence.
2. (Zoöl.) A web or fold of skin which extends between the legs of certain mammals, as the flying squirrels,
colugo, and phalangister.
