Placodermi :: Placodermi (n. pl.) An extinct group of fishes, supposed to be ganoids. The body and head were covered with large bony plates. See Illust. under Pterichthys, and Coccosteus..
Placoganoid :: Placoganoid (a.) Pertaining to the Placoganoidei.
Placoganoidei :: Placoganoidei (n. pl.) A division of ganoid fishes including those that have large external bony plates and a cartilaginous skeleton.
Placoid :: Placoid (a.) Platelike; having irregular, platelike, bony scales, often bearing spines; pertaining to the placoids..
Placoid :: Placoid (n.) Any fish having placoid scales, as the sharks..
Placophora :: Placophora (n. pl.) A division of gastropod Mollusca, including the chitons. The back is covered by eight shelly plates. Called also Polyplacophora. See Illust. under Chiton, and Isopleura..
Replace :: Replace (v. t.) To place again; to restore to a former place, position, condition, or the like..
Replace :: Replace (v. t.) To refund; to repay; to restore; as, to replace a sum of money borrowed..
Replace :: Replace (v. t.) To supply or substitute an equivalent for; as, to replace a lost document..
Replace :: Replace (v. t.) To take the place of; to supply the want of; to fulfull the end or office of.
Replace :: Replace (v. t.) To put in a new or different place.
Replaceability :: Replaceability (n.) The quality, state, or degree of being replaceable..
Replaceable :: Replaceable (a.) Capable or admitting of being put back into a place.
Replaceable :: Replaceable (a.) Admitting of having its place supplied by a like thing or an equivalent; as, the lost book is replaceable..
Replaceable :: Replaceable (a.) Capable of being replaced (by), or of being exchanged (for); as, the hydrogen of acids is replaceable by metals or by basic radicals..