A South African political scandal in which the petrol company Imvume Holdings was accused of paying millions of state money to the ruling African National Congress shortly before elections.

(physics) A transducer consisting of two different metals welded together at each end; a voltage is produced that is proportional to the difference in temperature between the two junctions (one of ...

To cross-dress.

(physics, optics) A measure of a material's dispersion (variation of refractive index with wavelength) in relation to the refractive index.