classification
Americannoun
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the act of classifying.
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the result of classifying or being classified. classify.
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one of the groups or classes into which things may be or have been classified. classify.
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Biology. the assignment of organisms to groups within a system of categories distinguished by structure, origin, etc. The usual series of categories is phylum (or, especially in botany,division ), class, order, family, genus, species, and variety.
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the category, as restricted, confidential, secret, or top secret, to which information, a document, etc., is assigned, as by a government or military agency, based on the degree of protection considered necessary to safeguard it from unauthorized use.
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Library Science. any of various systems for arranging books and other materials, especially according to subject or format.
noun
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systematic placement in categories
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one of the divisions in a system of classifying
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biology
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the placing of animals and plants in a series of increasingly specialized groups because of similarities in structure, origin, molecular composition, etc, that indicate a common relationship. The major groups are domain or superkingdom, kingdom, phylum (in animals) or division (in plants), class, order, family, genus, and species
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the study of the principles and practice of this process; taxonomy
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government the designation of an item of information as being secret and not available to people outside a restricted group
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The systematic grouping of organisms according to the structural or evolutionary relationships among them. Organisms are normally classified by observed similarities in their body and cell structure or by evolutionary relationships based on the analysis of sequences of their DNA.
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See more at cladistics Linnean See Table at taxonomy
Other Word Forms
- clasificatorily adverb
- classificational adjective
- classificatory adjective
- misclassification noun
- nonclassification noun
- overclassification noun
- preclassification noun
Etymology
Origin of classification
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
No complete genome of the pathogen responsible for pinta has yet been recovered, which leaves questions about its evolutionary relationships and classification.
From Science Daily
An autopsy concluded that the killing was a homicide, a classification that does not automatically mean a crime was committed.
From Barron's
Vine overcame the loss of UAE Team Emirates teammate and defending champion Jhonatan Narvaez in a crash early in the stage to protect his substantial lead in the general classification heading into Sunday's final stage.
From Barron's
Differences arose from how Alzheimer's and dementia were defined and measured, such as whether diagnoses were based on medical records, other dementia classifications, or amyloid buildup seen in brain scans.
From Science Daily
Australia's Vine, who had blown away his rivals in Thursday's second stage, continued his grip on the general classification.
From Barron's
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
