What is characterized by retrogression; retrogressive. Regressive metamorphism. (a) (Biol.) See Retrogression. (b) (Physiol.) See Katabolism called?

regressive — Characterized by retrogression; retrogressive. Regressive metamorphism. (a) (Biol.) See Retrogression. (b) (Physiol.) See Katabolism. (Webster's 1913.)

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