1. the technique or science of classification. 2. the scientific identification, naming, and classification of living things. Also called systematics. — taxonomist, n. — taxonomie, taxonomical, adj.

To arrange, group, or rate according to qualities or characteristics; assign to a class; classify. [French classe, from Latin classis, class of citizens; see kelə- in Indo-European roots.] American Heritage® …

1. the science of method or orderly arrangement and classification. 2. any system created to impose order. See also logic. — methodological, adj.

1. The act, process, or result of classifying. 2. A category or class. 3. Biology The systematic grouping of organisms into categories on the basis of evolutionary or structural relationships between them; …

tax•on•o•my (tækˈsɒn ə mi) n. 1. the science or technique of classification. 2. the science dealing with the description, identification, naming, and classification of organisms. 3. any classification, esp. the …

Define classification system. classification system synonyms, classification system pronunciation, classification system translation, English dictionary definition of classification system.

1. The act, process, or result of classifying. 2. A category or class. 3. Biology The systematic grouping of organisms into categories on the basis of evolutionary or structural relationships between them; …

The suspect classification doctrine has its constitutional basis in the Fifth Amendment and the equal protection clause of the Fourteenth Amendment, and it applies to actions taken by federal and state …

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French-American-British classification of acute leukemias based on the study of microscopic features and cytochemistry of blast cells; it subdivides acute myelogenous leukemias into 8 groups (M 0 -M 7) …