Medical conditions associated with nasal antihistamines and decongestants: 1  Allergic Rhinitis. 2  Cold Symptoms. 3  Nasal Congestion. 4  Rhinorrhea.
Princeton's WordNet(0.00 / 0 votes)Rate this definition: nickel, Ni, atomic number 28(noun) a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite. ni. .ni is the Internet country code top-level domain for Nicaragua.
nuclear meaning, definition, what is nuclear: being or using the power produced when the nucleus of an atom is divided or joined toâ¦. Learn more.