B-mode
b-mode
b-mode n.
a two-dimensional diagnostic ultrasound presentation of echo-producing interfaces in a single plane.
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- B-method
b-method programming, tool a system for rigorous or formal development of software using the notion of abstract machines to specify and design software systems. the b-method is supported by the b-toolkit. abstract machines are specified using the abstract machine notation (amn) which is in turn based on the mathematical theory of generalised subst-tutions. (1995-03-13)
- B-road
noun (in britain) a secondary road
- B-s particle
a neutral meson with a m-ss 10,507 times that of the electron and a mean lifetime of approximately 1.6 x 10 -12 seconds. b-s particle (bē’ěs’) an electrically neutral meson having a m-ss 10,507 times that of the electron and a mean lifetime of approximately 1.6 × 10-12 seconds. see table at subatomic particle.
- B-sample
noun a urine or blood sample used in doping tests in professional sports to confirm or invalidate the presence of banned substances in the first sample, the a-sample see also a-sample
- B-setting
noun (photog) a shutter setting in which the shutter remains open until the shutter control is released