bra

created by Zorin
(idea) by cian (6.5 y) (print)   (I like it!) Sat Apr 08 2000 at 18:06:33
Infinitely more boring than bra(thing). A Bra vector, is the hermitian conjugate of the ket vector, in quantum Dirac notation. It corresponds to a wavefunction with a property U. Bras reside in the space dual to Ket space.
(thing) by superdan2k (6.2 y) (print)   (I like it!) Fri Aug 04 2000 at 20:45:58

n. the rubber strip placed inside the rim to protect the tube from the nipples.

From the Dictionary of Mountain Bike Slang

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