Rec vs Rel - What's the difference?

rec | rel |

As a noun rec

is (informal).

As a verb rec

is (informal) to recommend something such as a book, movie, product etc.

As a preposition rel is

(mathematics) relative to.




(en noun)
  • (informal)
  • At 11:00, school’s out, and it’s time for rec
  • (informal) A recommendation or suggestion.
  • Verb

  • (informal) To recommend something such as a book, movie, product etc.
  • Anagrams

    * * English clippings ----




    (English prepositions)
  • (mathematics) Relative to.
  • * 1994 , N[ikita] Netsvetaev, "Diffeomorphism Criteria for Simply Connected Even-Dimensional Manifolds", in, Oleg Viro, editor, Topology of Manifolds and Varieties , Advances in Soviet Mathematics [series] 18, [publisher], ISBN 0821841246, page 237,
  • Since M_0 and M_1 are cobordant rel boundary and f_0, f_1 are n -connected, the number \delta:=\frac12(\mathrm{rk} H_nM_0-\mathrm{rk}H_nM_1) is a nonnnegative integer.
  • * 1997 , Paul Selick, Introduction to Homotopy Theory , Fields Institute Monographs [series], [publisher], ISBN 0821806904, page 15,
  • The following notations are in common use: H:f\simeq g (rel A'') means that ''H'' is a homotopy rel ''A'' from ''f'' to ''g ....
  • * 2002 , , Algebraic Topology ], [[w:Cambridge University Press, Cambridge], ISBN 0521795400, page 355,
  • Then in n\ge n', there is a map h:Z\to Z' such that h, A=g and gf\simeq f'h rel' ''A'', so the diagram above is commutative up to homotopy '''rel ''A .


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