relation

Noun

1. The manner in which two things may be associated.
   • The relation between diet and health is complex.
   • Carried somehow, somewhither, for some reason, on these surging floods, were these travelers, of errand not wholly obvious to their fellows, yet of such sort as to call into query alike the nature of their errand and...
2. A member of one's extended family; a relative.
   • Yes, he's a relation of mine, but only a distant one.
3. A relationship; the manner in which and tone with which people or states, etc. interact.
   • the foreign relations of the United States
4. The act of relating a story.
   • Your relation of the events is different from mine.
   • I shall you make relacyon By way of apostrofacyon […] How I, Skelton laureat, Devysed and also wrate Uppon a lewde curate, […] - c. 1503–1512, John Skelton, Ware the Hauke; republished in John Scattergood, editor, John...
   • 1669, Letter from Dr. Merrett to Thomas Browne, in Simon Wilkin (ed.), Sir Thomas Browne’s Works including his Life and Correspondence, London: William Pickering, 1836, Volume I, p. 443, Many of the lupus piscis I have...
5. A set of ordered tuples.
   • […]Signs are, first of all, physical things: for example, chalk marks on a blackboard, pencil or ink marks on paper, sound waves produced in a human throat. According to Reichenbach, "What makes them signs is the...

   1. (set theory) A set of ordered pairs; a binary relation.

      • Equality is a symmetric relation, while divisibility is not.
6. A set of tuples, implemented as a table in a relational database.
   • This relation uses the customer's social security number as a key.
7. A statement of equality of two products of generators, used in the presentation of a group.
8. A subobject of a product of objects.
9. The act of intercourse.
   • have relations with
   • have sexual relations with