first genus

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• Genus of a multiplicative sequence — In mathematics, the genus of a multiplicative sequence is a ring homomorphism, from the cobordism ring of smooth oriented compact manifolds to another ring, usually the ring of rational numbers.DefinitionA genus phi; assigns a number phi;( X ) to …   Wikipedia

• first floor — ground ground (ground), n. [OE. ground, grund, AS. grund; akin to D. grond, OS., G., Sw., & Dan. grund, Icel. grunnr bottom, Goth. grundus (in composition); perh. orig. meaning, dust, gravel, and if so perh. akin to E. grind.] 1. The surface of… …   The Collaborative International Dictionary of English

• Genus Homo (novel) — Infobox Book | name = Genus Homo title orig = translator = image caption = dust jacket of the first edition of Genus Homo author = L. Sprague de Camp and P. Schuyler Miller illustrator = cover artist = Edd Cartier country = United States language …   Wikipedia

• genus — /jee neuhs/, n., pl. genera /jen euhr euh/, genuses. 1. Biol. the usual major subdivision of a family or subfamily in the classification of organisms, usually consisting of more than one species. 2. Logic. a class or group of individuals, or of… …   Universalium

• Genus — Genera redirects here. For the operating system, see Genera (operating system). For other uses, see Genus (disambiguation). In biology, a genus (plural: genera) is a low level taxonomic rank used in the biological classification of living and… …   Wikipedia

• Genus-differentia definition — A genus differentia definition is one in which a word or concept that indicates a species a specific type of item, not necessarily a biological category is described first by a broader category, the genus, then distinguished from other items in… …   Wikipedia

• Genus (comics) — Infobox comic book title title =Genus imagesize = 200 caption = Cover of Genus #50. Art by Terrie Smith. schedule = format = ongoing = Y Anthology = y Erotic = y Furry = y multigenre=y publisher = Antarctic Press Radio Comix date = (Antarctic… …   Wikipedia

• Genus–degree formula — In classical algebraic geometry, the genus–degree formula relates the degree d of a non singular plane curve with its arithmetic genus g via the formula: A singularity of order r decreases the genus by .[1] Proofs The proof follows immediately… …   Wikipedia

• First Group — Pour les articles homonymes, voir First. Logo First Group PLC est un groupe privé britannique spécialisé dans le transport public de voyageurs, présent au Royaume …   Wikipédia en Français

• first species rule — Authors that specify the first species named in a new genus to be the type of that genus; generally the works of older authors in which no generic type was specified …   Dictionary of invertebrate zoology

• genus, species —  The second is a subgroup of the first. The convention is to capitalize the genus but not the species, as in Homo sapiens. The plurals are genera and species. The traditional order of divisions in taxonomy is phylum, class, order, family, genus,… …   Bryson’s dictionary for writers and editors