‖n. [ Native name. ] (Zool.) The Brazilian porcupine (Cercolades prehensiles syn. Sphingurus prehensiles), remarkable for its prehensile tail. [ 1913 Webster ]
‖n. [ NL., fr. Gr.
‖n. [ NL., fr. Gr.
n. [ Gr. &unr_;;
n. [ Gr.
‖n. [ NL. fr. Gr.
☞ This bladder worm has on its surface numerous small heads, each of which, when swallowed by a dog, becomes a mature tapeworm in the dog's intestine. [ 1913 Webster ]
(Biochem.) a molecule that is essential for the activity of some enzymes; it may exist free in solution within a living organism, but functions by binding to an enzyme to assist in catalyzing a reaction. The molecule itself may be temporarily changed during the reaction, but is ultimately restored to its original form. Many vitamins function as