n. [ Gr. 'a priv. + bi`os life + ge`nesis, origin, birth. ] (Biol.) The supposed origination of living organisms from lifeless matter; such genesis as does not involve the action of living parents; spontaneous generation; -- called also abiogeny, and opposed to biogenesis. [ 1913 Webster ]

I shall call the . . . doctrine that living matter may be produced by not living matter, the hypothesis of abiogenesis. Huxley, 1870. [ 1913 Webster ]

a. (Biol.) Of or pertaining to abiogenesis. Ab`i*o*ge*net"ic*al*ly, adv. [1913 Webster]

n. (Biol.) One who believes that life can be produced independently of antecedent. Huxley. [ 1913 Webster ]

a. (Biol.) Produced by spontaneous generation. [ 1913 Webster ]

n. (Biol.) Same as Abiogenesis. [ 1913 Webster ]

n. [ Gr. bi`os life + -gen. ] (Biol.) Bioplasm. [ 1913 Webster ]

a. (Biol.) Pertaining to biogenesis. [ 1913 Webster ]

a. [ Gr. bi`os life + -gen + -ic. ] produced by living organisms; as, biogenic methane. [ PJC ]

n. A believer in the theory of biogenesis. [ 1913 Webster ]

{ } n. [ Gr. bi`os life + &unr_;, &unr_;, birth. ] (Biol.) (a) A doctrine that the genesis or production of living organisms can take place only through the agency of living germs or parents; -- called also biogeny; -- opposed to abiogenesis. (b) Life development generally. [ 1913 Webster ]

2. the production of a chemical compound by a living organism.
Syn. -- biosynthesis. [ WordNet 1.5 ]

n. the production of living organisms from other living organisms; same as biogenesis{ 1 }. [ WordNet 1.5 ]