n.; pl. Metabases [ NL., fr. Gr. &unr_;, fr. &unr_; to pass over; &unr_; beyond, over + &unr_; to go. ] 1. (Rhet.) A transition from one subject to another. [ 1913 Webster ]

2. (Med.) Same as Metabola. [ 1913 Webster ]

{ ‖‖ } n. [ NL., from Gr. &unr_; change; &unr_; beyond + &unr_; to throw. ] (Med.) A change or mutation; a change of disease, symptoms, or treatment. [ 1913 Webster ]

{ ‖‖ } n. pl. [ NL. See 1st Metabola. ] (Zool.) A comprehensive group of insects, including those that undegro a metamorphosis. [ 1913 Webster ]

n. [ See Metabola. ] (Zool.) An insect which undergoes a metamorphosis. [ 1913 Webster ]

a. [ Gr. &unr_;. See Metabola. ] 1. (Biol.) Of or pertaining to metamorphosis; pertaining to, or involving, change. [ 1913 Webster ]

2. (Physiol.) Of or pertaining to metabolism; as, metabolic activity; metabolic force. [ 1913 Webster ]

‖n. [ NL. ] Metabolism. [ R. ] [ 1913 Webster ]

n. (Physiol.) 1. The act or process, by which living tissues or cells take up and convert into their own proper substance the nutritive material brought to them by the blood, or by which they transform their cell protoplasm into simpler substances, which are fitted either for excretion or for some special purpose, as in the manufacture of the digestive enzymes. Hence, metabolism may be either constructive (anabolism), or destructive (catabolism). [ 1913 Webster ]

2. (Biol.) The series of chemical changes which take place in an organism, by means of which food is manufactured and utilized and waste materials are eliminated. [ Webster 1913 Suppl. ]

n. (Physiol Chem.) A product of metabolism; a substance produced by metabolic action, as urea. [ 1913 Webster ]

v. t. & i. (Physiol.) To change by a metabolic process. See Metabolism. [ 1913 Webster ]

a. [ Meta- + branchial. ] (Zool.) Of or pertaining to the lobe of the carapace of crabs covering the posterior branchiae. [ 1913 Webster ]