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‖n. [ Gr. &unr_; unmarried ('a priv. + &unr_; marriage) + &unr_; reproduction. ] (Biol.) Reproduction without the union of parents of distinct sexes: asexual reproduction. [ 1913 Webster ]

a. [ See Agensis. ] (Physiol.) Characterized by sterility; infecund. [ 1913 Webster ]

‖n. [ Gr. 'a priv. + &unr_; birth. ] (Physiol.) Any imperfect development of the body, or any anomaly of organization. [ 1913 Webster ]

n. [ Gr. 'amfi` + &unr_; generation. ] (Biol.) Sexual generation; amphigony. [ 1913 Webster ]

n. [ Amylum + genesis. ] The formation of starch. [ Webster 1913 Suppl. ]

n. 1. 1 the evolution or genesis of the human race.
Syn. -- anthropogeny. [ WordNet 1.5 ]

‖n. [ Auto- + genesis. ] (Biol.) Spontaneous generation. [ 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. [ Gr. blasto`s sprout + E. genesis. ] (Biol.) Multiplication or increase by gemmation or budding. [ 1913 Webster ]

n. Sternness; severity. [ Obs. ] [ 1913 Webster ]

A Sara for goodness, a great Bellona for budgeness. Stanyhurst. [ 1913 Webster ]

n. [ Gr. &unr_; new + E. genesis. ] (Biol.) The introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species (as addition of the placenta in mammalian evolution); a modified evolution, in which nonprimitive characters make their appearance in consequence of a secondary adaptation of the embryo to the peculiar conditions of its environment; -- distinguished from palingenesis. [ Also spelled caenogenesis and formerly kenogenesis. ] [ WordNet 1.5 + 1913 Webster ]

n. [ Gr. cho`ndros cartilage + genesis. ] (Physiol.) The development of cartilage. [ 1913 Webster ]

n. [ Gr. ky`tos hollow vessel + E. genesis. ] (Biol.) Development of cells in animal and vegetable organisms. See Gemmation, Budding, Karyokinesis; also Cell development, under Cell. [ 1913 Webster ]

n. [ Pref. di- + genesis. ] (Biol.) The faculty of multiplying in two ways; -- by ova fecundated by spermatic fluid, and asexually, as by buds. See Parthenogenesis. [ 1913 Webster ]

n. A Greek Cynic philosopher (412?-323 B. C.) who lived much in Athens and was distinguished for contempt of the common aims and conditions of life, and for sharp, caustic sayings. [ 1913 Webster ]

Diogenes' crab (Zool.), a species of terrestrial hermit crabs (Cenobita Diogenes), abundant in the West Indies and often destructive to crops. --
Diogenes' tub, the tub which the philosopher Diogenes is said to have carried about with him as his house, in which he lived. [ 1913 Webster ]

a. Not procreating or breeding freely; as, one race may be dysgenesic with respect to another. Darwin. [ 1913 Webster ]

‖n. [ Pref. dys- + genesis. ] (Biol.) A condition of not generating or breeding freely; infertility; a form of homogenesis in which the hybrids are sterile among themselves, but are fertile with members of either parent race. [ 1913 Webster ]

n. [ Electro- + genesis. ] (Physiol.) Same as Electrogeny. [ 1913 Webster ]

n. Loneliness; misery. [ Obs. ] [ 1913 Webster ]

{ a., n }. See Elenge, Elengeness. [ Obs. ] [ 1913 Webster ]

‖n. [ Endo- + genesis. ] (Biol.) Endogeny. [ 1913 Webster ]

n. [ Pref. epi- + genesis. ] (Biol.) The theory of generation which holds that the germ is created entirely new, not merely expanded, by the procreative power of the parents. It is opposed to the theory of evolution, also to syngenesis. [ 1913 Webster ]

n. (Biol.) One who believes in, or advocates the theory of, epigenesis. [ 1913 Webster ]

n. [ Pref. eu- + genesis. ] (Biol.) The quality or condition of having strong reproductive powers; generation with full fertility between different species or races, specif. between hybrids of the first generation. [ Webster 1913 Suppl. ]

‖n. [ Gr. &unr_; marriage + E. genesis. ] (Biol.) The production of offspring by the union of parents of different sexes; sexual reproduction; -- the opposite of agamogenesis. [ 1913 Webster ]

n. [ Gr. &unr_; race + E. genesis. ] (Biol.) Alternate generation. See under Generation. [ 1913 Webster ]

(Geol.) The closing subdivision of the Hamilton period in the American Devonian system; -- so called because the formations of this period crop out in Genesee, New York. [ 1913 Webster ]

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

n. [ Gr. &unr_; birth + -logy. ] The doctrine or science of generation. [ 1913 Webster ]

n. [ L., from Gr. ge`nesis, fr. the root of gi`gnesqai to beget, be born; akin to L. genus birth, race. See Gender. ] [ 1913 Webster ]

1. The act of producing, or giving birth or origin to anything; the process or mode of originating; production; formation; origination. [ 1913 Webster ]

The origin and genesis of poor Sterling's club. Carlyle. [ 1913 Webster ]

2. The first book of the Old Testament; -- so called by the Greek translators, from its containing the history of the creation of the world and of the human race. [ 1913 Webster ]

3. (Geom.) Same as Generation.

n. Glycogenesis. [ R. ] [ 1913 Webster ]

{ } n. (Physiol.) The production or formation of sugar from gycogen, as in the liver. [ 1913 Webster ]

n. [ Haemato- + genesis. ] (Physiol.) (a) The origin and development of blood. (b) The transformation of venous into arterial blood by respiration; hematosis. [ 1913 Webster ]

{ } n. [ Gr. e"i^s, masc., "e`n, neut., one + root of gi`gnesqai to be born. ] (Biol.) Same as Ontogeny. [ 1913 Webster ]

n. [ Hetero- + genesis. ] 1. (Biol.) Spontaneous generation, so called. [ 1913 Webster ]

2. (Biol.) That method of reproduction in which the successive generations differ from each other, the parent organism producing offspring different in habit and structure from itself, the original form, however, reappearing after one or more generations; -- opposed to homogenesis, or gamogenesis. [ 1913 Webster ]

n. [ Gr. "isto`s tissue + E. genesis.] (Biol.) (a) The formation and development of organic tissues; histogeny; -- the opposite of histolysis. (b) Germ history of cells, and of the tissues composed of cells. Haeckel. [1913 Webster]

n. [ Homo- + genesis. ] (Biol.) That method of reproduction in which the successive generations are alike, the offspring, either animal or plant, running through the same cycle of existence as the parent; gamogenesis; -- opposed to heterogenesis. [ 1913 Webster ]

n. [ Gr. &unr_; new + E. genesis. ] (Biol.) Modified evolution, in which nonprimitive characters make their appearance in consequence of a secondary adaptation of the embryo to the peculiar conditions of its environment; -- distinguished from palingenesis. [ Written also cenogenesis and cænogenesis. ] [ 1913 Webster ]

n. [ Gr. kinhto`s movable + E. genesis. ] (Biol.) The doctrine or hypothesis that animal structures have been produced, directly or indirectly, by animal movements. [ 1913 Webster ]

n. The quality or state of being large. [ 1913 Webster ]

n. [ Leucocyte + genesis. ] (Physiol.) The formation of leucocytes. [ 1913 Webster ]

n. [ Litho- Gr. ge`nesis origin, generation: cf. F. lithogénésie. See Genesis. ] The doctrine or science of the origin of the minerals composing the globe. [ 1913 Webster ]

n. [ Pref. meta- + genesis. ] 1. (Biol.) The change of form which one animal species undergoes in a series of successively produced individuals, extending from the one developed from the ovum to the final perfected individual. Hence, metagenesis involves the production of sexual individuals by nonsexual means, either directly or through intervening sexless generations. Opposed to monogenesis. See Alternate generation, under Generation. [ 1913 Webster ]

2. (Biol.) Alternation of sexual and asexual or gemmiparous generations; -- in distinction from heterogamy. [ 1913 Webster ]

n. [ Mono- + genesis. ] 1. Oneness of origin; esp. (Biol.), development of all beings in the universe from a single cell; -- opposed to polygenesis. Called also monism. Dana. Haeckel. [ 1913 Webster ]

2. (Biol.) That form of reproduction which requires but one parent, as in reproduction by fission or in the formation of buds, etc., which drop off and form new individuals; asexual reproduction. Haeckel. [ 1913 Webster ]

3. (Biol.) The direct development of an embryo, without metamorphosis, into an organism similar to the parent organism; -- opposed to metagenesis. E. van Beneden. [ 1913 Webster ]

(Biol.) The development of the tissues and organs of an organism; the formation of structural features of an organism. [ PJC ]

n. the causing of a mutation or the occurrence of a mutation{ 3 }. [ PJC ]

{ } n. [ See Ontology, and Genesis. ] (Biol.) The history of the individual development of an organism; the sequence of events involved in the development of an organism; the history of the evolution of the germ; the development of an individual organism, -- in distinction from phylogeny, or evolution of the tribe. Called also henogenesis, henogeny.
Syn. -- growth, growing, maturation, development. [ 1913 Webster ]

n. [ Gr. w, 'o`n an egg + E. genesis. ] (Physiol.) The development, or mode of origin, of the ova. [ 1913 Webster ]