(physics) A series of light and dark bands that map out the way in which the phase difference between two waves varies in space.

(radio) interference caused by two stations transmitting on the same frequency

(uncountable, optics) Interference of light caused by its reflection from both boundaries of a thin film of a transparent material. / (countable, optics) An instance of this interference.

plural of pan-assay interference compound

Any compound that produces a false positive in many biochemical assays