2) In lighting, the nit is a unit of visible-light intensity, commonly used to specify the brightness of a cathode ray tube or liquid crystal display computer display. nit meaning, definition, what is nit: a nitwit. Learn more. Define Nits. Nits synonyms, Nits pronunciation, Nits translation, English dictionary definition of Nits. abbr. National Invitational Tournament n. The egg of certain. Definition of nit for Students. First Known Use of nit Search Solid State Storage RRAM or ReRAM resistive RAM RRAM or ReRAM resistive random access memory is a form of nonvolatile storage that operates by changing the resistance of a The nit is a comparatively small unit of brightness. Google Cloud Storage is an craps online public cloud storage platform that can house large unstructured data sets. Need even more definitions?