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.
What is Nitrite. Nitrites is also a polyatomic ion containing N and O atoms, where Nitrogen has an oxidation number of +3. The Nitrite group contains one Nitrogen atom and two Oxygen atoms and is represented by the molecular formula, NO2-. The O-N-O bond angle is roughly around 120Â°.