A light wave is a type of electromagnetic wave. Light waves on the electromagnetic spectrum include those that are visible as well as those that are invisible to the human eye.
invade, occupy(verb) march aggressively into another's territory by military force for the purposes of conquest and occupation. Synonyms: lodge in, invade, occupy, encroach upon, engross, obtrude upon, intrude on, busy, worry, absorb, engage, reside, concern, overrun, fill, infest, interest, take, use up.
tr.v. inÂ·festÂ·ed, inÂ·festÂ·ing, inÂ·fests. 1. To inhabit or overrun in numbers or quantities large enough to be harmful, threatening, or obnoxious: rats infesting the sewers; streets that were infested with drugs.2.nfest-occupy in large numbers or live on a host; the Kudzu plant infests much of the South and is spreading to the North. overrun, invade. inhabit-be present in; sweet memories inhabit this house.