adj. 1. 1 pertaining to acrogens, flowerless plants (ferns or mosses) in which growth occurs only at the tip of the main stem.
Syn. -- acrogenous [ WordNet 1.5 ]

adj. 1. of or pertaining to allergens or allergenicity. [ WordNet 1.5 ]

2. causing an allergy or an allergic reaction. [ PJC ]

a. 1. Of or pertaining to amylogen. [ Webster 1913 Suppl. ]

2. Forming starch; -- applied specif. to leucoplasts. [ Webster 1913 Suppl. ]

adj. 1. of or pertaining to androgens; having physiological effects like that of an androgen. [ WordNet 1.5 +PJC ]

adj. 1. causing loss of appetite; as, an anorectic (or anorexigenic) drug.
Syn. -- anorectic [ WordNet 1.5 +PJC ]

a. 1. Of or pertaining to anthropogeny. [ 1913 Webster ]

2. (1923) caused by humans; -- as, the anthropogenic extinction of species. [ PJC ]

adj. 1. self-generated; self-produced.
Syn. -- autogenous [ PJC ]

2. (Physiology) originating within the body; -- oposite of heterogenous.
Syn. -- autogenous [ WordNet 1.5 ]

n. 1. training patients in self-induced relaxation.
Syn. -- autogenic therapy, autogenic training [ WordNet 1.5 ]

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

n. the study of the operation of factors causing degeneration in the type of offspring produced.
Syn. -- dysgenics. [ WordNet 1.5 ]

adj. Causing or tending to cause cancer; as, the carcinogenic action of certain chemicals or of ionizing radiation. -- car`cin*o*gen*ic"i*ty, n. [WordNet 1.5 +PJC]

a. [ Gr. karpo`s fruit + -gen. ] (Bot.) Productive of fruit, or causing fruit to be developed. [ 1913 Webster ]

a. (Biol.) Containing, or capable of forming, chromogen; as, chromogenic bacteria. [ 1913 Webster ]

{ } a. Pertaining to the production of crystals; crystal-producing; as, crystallogenic attraction. [ 1913 Webster ]

{ } a. (Biol.) Of or pertaining to cytogenesis or cell development. [ 1913 Webster ]

a. [ Gr. &unr_; second + root of gi`gnesqai to be born. ] (Geol.) Of secondary origin; -- said of certain rocks whose material has been derived from older rocks. [ 1913 Webster ]

a. [ Gr. difyh`s of double form + -genic. ] (Zool.) Having two modes of embryonic development. [ 1913 Webster ]

a. [ Gr. &unr_; double + the root of &unr_; to produce. ] Partaking of the nature of two bodies; producing two substances. Wright. [ 1913 Webster ]

adj. of or pertaining to dysgenics.
Syn. -- cacogenic. [ WordNet 1.5 ]

n. the study of the operation of factors causing degeneration in the type of offspring produced.
Syn. -- cacogenics. [ WordNet 1.5 ]

a. (Physiol.) Of or pertaining to electrogenesis; as, an electrogenic condition. [ 1913 Webster ]

a. (Biol.) Pertaining to the development of an embryo. [ 1913 Webster ]

adj. 1. (Biol.) Relating to or arising from an internal process; same as endogenous.
Syn. --. [ WordNet 1.5

2. (Geol.) Relating to the interior of the earth; of or pertaining to a metamorphic process occurring within a planet. Opposed to exogenetic.
Syn. -- endogenic. [ PJC ]

a. [ See Eugenia. ] (Chem.) Pertaining to, or derived from, cloves; as, eugenic acid. [ 1913 Webster ]

a. [ Gr. e'ygenh`s. ] Well-born; of high birth. Atlantic Monthly. [ 1913 Webster ]

n. The science of improving stock, whether human or animal. F. Galton. [ 1913 Webster ]

adj. same as exogenous. [ WordNet 1.5 ]

a. [ L. geniculatus, fr. geniculum little knee, knot or joint, dim. of genu knee. See Knee. ] Bent abruptly at an angle, like the knee when bent; as, a geniculate stem; a geniculate ganglion; a geniculate twin crystal. [ 1913 Webster ]

v. t. [ imp. & p. p. Geniculated p. pr. & vb. n. Geniculating. ] To form joints or knots on. [ R. ] Cockeram. [ 1913 Webster ]

a. Same as Geniculate. [ 1913 Webster ]

n. [ L. geniculatio a kneeling. ] [ 1913 Webster ]

1. The act of kneeling. [ R. ] Bp. Hall. [ 1913 Webster ]

2. The state of being bent abruptly at an angle. [ 1913 Webster ]

a. Pertaining to, or caused by, glycogen; as, the glycogenic function of the liver.

a. (Physiol.) Relating to haematogenesis. [ 1913 Webster ]

adj. 1. capable of producing hallucinations; as, LSD is a powerful hallucinogenic drug. [ WordNet 1.5 ]

{ } a. [ Gr. "h^par, "h`patos, the liver + root of gi`gnesqai to be born ] (Med.) Arising from the liver; due to a condition of the liver; as, hepatogenic jaundice. [ 1913 Webster ]

a. [ Gr. &unr_; sleep + root of gi`gnesqai to be born. ] (Physiol.) Relating to the production of hypnotic sleep; as, the so-called hypnogenic pressure points, pressure upon which is said to cause an attack of hypnotic sleep. De Watteville. [ 1913 Webster ]

a. [ Hysteria + root of Gr. gi`gnesqai to be born. ] (Physiol.) Producing hysteria; as, the hysterogenicpressure points on the surface of the body, pressure upon which is said both to produce and arrest an attack of hysteria. De Watteville. [ 1913 Webster ]

a. Of or relating to ideology. [ 1913 Webster ]

a. [ Lymph + root of L. gignere to produce. ] (Physiol.) Connected with, or formed in, the lymphatic glands. [ 1913 Webster ]

a. (Biol.) Metagenetic. [ 1913 Webster ]

a. 1. (Biol.) Of or pertaining to monogenesis. [ 1913 Webster ]

2. (Zool.) Producing only one kind of germs, or young; developing only in one way. [ 1913 Webster ]

n. the degree or measure of the ability to cause mutation{ 3 }; -- said of mutagens. [ PJC ]

a. [ Gr. myelo`s marrow + the root of gi`gnesqai to be born. ] (Physiol.) Derived from, or pertaining to, the bone marrow. [ 1913 Webster ]

a. (Biol.) Ontogenetic. [ 1913 Webster ]

a. (Biol.) Of or pertaining to organogenesis. [ 1913 Webster ]

a. (Physiol.) Osteogenetic. [ 1913 Webster ]

a. (Chem.) Pertaining to, containing, or resembling, oxygen; producing oxygen. [ 1913 Webster ]

a. [ Pref. para- the root of ge`nos birth. ] (Biol.) Originating in the character of the germ, or at the first commencement of an individual; -- said of peculiarities of structure, character, etc. [ 1913 Webster ]

a. [ Gr. pa`qos disease + the root of ge`nos birth. ] (Med. & Biol.) Of or pertaining to pathogeny; producting disease; as, a pathogenic organism; a pathogenic bacterium. [ 1913 Webster ]

a. Same as Peptogenous. [ 1913 Webster ]