Also known as: BR., BR-, BR&
BR has various meanings in the British medicine category. Discover the full forms, definitions, and usage contexts of BR in British medicine.
An optical property of all anisotropic crystals observed as light and dark areas while the sample is rotated on the microscope stage of a polarizing microscope. OR The refraction of light in an anisotropic material in two slightly different directions to form two rays. In optical coatings, birefringence creates a distortion of images seen through the optical piece, as well as a reflection or noticeable purple sheen on the surface of the optical piece.
British medicineA very large puff at a particular band on a polytene chromosome.
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