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Order - Wikipedia, the free encyclopedia (317 words) |
 | Order (biology), a rank between class and family, or a taxon at that rank |
 | Order theory, a branch of mathematics that studies various kinds of binary relations known as orders |
 | Order (organization), an organization of people united by a common fraternal bond or social aim. |
| Order (biology) - Wikipedia, the free encyclopedia (428 words) |
 | In scientific classification used in biology, the order (Latin: ordo, plural ordines) is a rank between class and family, or a taxon at that rank. |
 | The order as a distinct rank of biological classification having its own distinctive name (and not just called a higher genus (genus summum)) was first introduced by a German botanist Augustus Quirinus Rivinus in his classification of plants (appeared in a series of treatises in the 1690s). |
 | Lepidoptera for the order of moths and butterflies, or Diptera for the order of flies, mosquitoes, midges, and gnats). |