(optics, uncountable) A phenomenon where light, instead of passing into a medium of a lower refractive index and refracting away from the normal, is completely reflected by the boundary between the two media because it approaches at an angle greater than or equal to the critical angle.

(optics) total internal reflection

plural of total internal reflection

plural of complete internal reflection

(computer security) A cross-site scripting attack where the malicious script is relayed to the victim in an e-mail or as a URL parameter.