| 单词 | classification |
| 释义 | Word Frequency classification(ˌklæsɪfɪˈkeɪʃən) noun 1. systematic placement in categories 2. one of the divisions in a system of classifying 3. biology a. 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 b. the study of the principles and practice of this process; taxonomy 4. government the designation of an item of information as being secret and not available to people outside a restricted group Derived forms classificational (ˌclassifiˈcational) adjective classificatory (ˌclassifiˈcatory) adjective Word origin C18: from French; see class, -ify, -ation |
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