Webster's 1913 Dictionary
POLYGENESIS; POLYGENY
Pol `y *gen "e *sis, Po *lyg "e *ny, n. Etym: [Poly- + genesis, or root of Gr. (Biol.)
Defn: The theory that living organisms originate in cells or embryos of different kinds, instead of coming from a single cell; -- opposed to monogenesis.
POLYGENETIC
POLYGENETIC Pol `y *ge *net "ic, a.
1. Having many distinct sources; originating at various places or times. 2. (Biol.) Of or pertaining to polygenesis; polyphyletic. Polygenetic mountain range (Geol.), one which is composite, or consists of two or more monogenetic ranges, each having had its own history of development. Dana.
New American Oxford Dictionary
polygene
pol y gene |ˈpäliˌjēn ˈpɑliʤin | ▶noun Genetics a gene whose individual effect on a phenotype is too small to be observed, but which can act together with others to produce observable variation. ORIGIN 1940s: back-formation from polygenic .
polygenesis
pol y gen e sis |ˌpäliˈjenəsəs pɑliˈʤɛnəsəs | ▶noun origination from several independent sources, in particular: • Biology the hypothetical origination of a race or species from a number of independent stocks. Compare with polygeny. • the hypothetical origination of language or of a surname from a number of independent sources in different places at different times.
polygenetic
pol y ge net ic |ˌpälijəˈnetik ˌpɑliʤəˈnɛtɪk | ▶adjective of or relating to polygenesis; having more than one origin or source. • Geology denoting or originating from a volcano that has erupted several times. DERIVATIVES pol y ge net i cal ly |-ik (ə )lē |adverb
Oxford Dictionary
polygene
poly |gene |ˈpɒlɪdʒiːn | ▶noun Genetics a gene whose individual effect on a phenotype is too small to be observed, but which can act together with others to produce observable variation. ORIGIN 1940s: back-formation from polygenic .
polygenesis
polygenesis |ˌpɒlɪˈdʒɛnɪsɪs | ▶noun [ mass noun ] 1 Biology the hypothetical origination of a race or species from a number of independent stocks. Compare with polygeny. 2 the hypothetical origination of language or of a surname from a number of independent sources in different places at different times.
polygenetic
poly |gen ¦et ¦ic |ˌpɒlɪdʒɪˈnɛtɪk | ▶adjective relating to polygenesis; having more than one origin or source. • Geology denoting or originating from a volcano that has erupted several times. DERIVATIVES polygenetically adverb
Duden Dictionary
Polygenese
Po ly ge ne se Substantiv, feminin , die Polygenesis |Polygen e se |die Polygenese; Genitiv: der Polygenese biologische Theorie von der stammesgeschichtlichen Herleitung jeder gegebenen Gruppe von Lebewesen aus jeweils mehreren Stammformen; Gegensatz Monogenese 1
Polygenesis
Po ly ge ne sis Substantiv, feminin , die Polygenese |Polyg e nesis |die Polygenesis; Genitiv: der Polygenesis biologische Theorie von der stammesgeschichtlichen Herleitung jeder gegebenen Gruppe von Lebewesen aus jeweils mehreren Stammformen; Gegensatz Monogenese 1
The Wordsmith Dictionary