Genus meaning

jēnəs
(biology) A taxonomic category ranking below a family and above a species and designating a group of species that are presumed to be closely related and usually exhibit similar characteristics. In a scientific name, the genus name is capitalized and italicized, for example, Ovis for sheep and related animals.
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The definition of a genus is a class of items such as a group of animals or plants with similar traits, qualities or features.

An example of a genus is all the species of mushrooms that are part of the Amanita family.

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(logic) A class of objects divided into subordinate species having certain common attributes.
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A class; kind; sort.
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(biol.) A major category in the classification of animals, plants, etc., ranking above a species and below a family: it can include one species or many similar species.
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A group of organisms ranking above a species and below a family. The names of genera, like those of species, are written in italics. For example, Periplaneta is the genus of the American cockroach, and comes from the Greek for “wandering about.”
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(biology, taxonomy) A rank in the classification of organisms, below family and above species; a taxon at that rank.

All magnolias belong to the genus Magnolia.

Other species of the genus Bos are often called cattle or wild cattle.

There are only two genera and species of seadragons.

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A class, group, or kind with common attributes.
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(topology) A number measuring some aspect of the complexity of any of various manifolds or graphs.
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(semantics) Within a definition, a broader category of the defined concept.
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A class of things made up of subordinate classes or species.
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(biology) A taxonomic category ranking below a family and above a species and designating a group of species that are presumed to be closely related and usually exhibit similar characteristics. In a scientific name, the genus name is capitalized and italicized, for example, Ovis for sheep and related animals.
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(logic) A class of objects divided into subordinate species having certain common attributes.
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A class, group, or kind with common attributes.
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Origin of genus

  • Latin kind genə- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • Borrowed from Latin genus (“birth, origin, a race, sort, kind”) from the root gen- in Latin gignere, Old Latin gegnere (“to beget, produce”).

    From Wiktionary