Iftiinka indhaha waxa kale oo loo yaqaan sida wakiilada iftiimaya indhaha ama wakiilada caddaynta florescent.Kuwani waa isku-dhisyo kiimiko oo nuuga iftiinka gobolka ultraviolet ee korantada spectrum;Kuwani waxay dib u soo saaraan iftiinka gobolka buluuga ah iyagoo kaashanaya fluorescence