Reciprocation
31Dual polyhedron — The dual of a cube is an octahedron, shown here with vertices at the cube face centers …
32Pole and polar — In geometry, the terms pole and polar are used to describe a point and a line that have a unique reciprocal relationship with respect to a given conic section. If the point lies on the conic section, its polar is the tangent line to the conic… …
33Axial piston pump — An axial piston pump is a positive displacement pump that has a number of pistons in a circular array within a cylinder block. It can be used as a stand alone pump, a hydraulic motor or an automotive air conditioning compressor. Contents 1… …
34Dual polygon — In geometry, polygons are associated into pairs called duals, where the vertices of one correspond to the edges of the other. Contents 1 Properties 2 Kinds of duality 2.1 Rectification …
35List of mathematics articles (R) — NOTOC R R. A. Fisher Lectureship Rabdology Rabin automaton Rabin signature algorithm Rabinovich Fabrikant equations Rabinowitsch trick Racah polynomials Racah W coefficient Racetrack (game) Racks and quandles Radar chart Rademacher complexity… …
36Gifting remittances — describes a range of scholarly approaches relating remittances to anthropological literature on gift giving. The terms draws on Lisa Cliggett’s “gift remitting,” [Cliggett 2003] but is used to describe a wider body of work . Broadly speaking,… …
37exchange — I (New American Roget s College Thesaurus) n. reciprocity, substitution; trade, barter, commerce; conversion, interchange; market. See business, transfer. II (Roget s IV) n. 1. [The act of replacing one thing with another] Syn. transfer,… …
38Reciprocity — Rec i*proc i*ty (r[e^]s [i^]*pr[o^]s [i^]*t[y^]), n. [Cf. F. r[ e]ciprocit[ e]. See {Reciprocal}.] 1. Mutual action and reaction. [1913 Webster] 2. Reciprocal advantages, obligations, or rights; reciprocation. [1913 Webster] {Reciprocity treaty} …
39Reciprocity treaty — Reciprocity Rec i*proc i*ty (r[e^]s [i^]*pr[o^]s [i^]*t[y^]), n. [Cf. F. r[ e]ciprocit[ e]. See {Reciprocal}.] 1. Mutual action and reaction. [1913 Webster] 2. Reciprocal advantages, obligations, or rights; reciprocation. [1913 Webster]… …
40Treaty of reciprocity — Reciprocity Rec i*proc i*ty (r[e^]s [i^]*pr[o^]s [i^]*t[y^]), n. [Cf. F. r[ e]ciprocit[ e]. See {Reciprocal}.] 1. Mutual action and reaction. [1913 Webster] 2. Reciprocal advantages, obligations, or rights; reciprocation. [1913 Webster]… …
