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.
Nu (letter) Nu /njuË/ (uppercase Î½ lowercase Î½, also transcribed Ny; modern Greek: Î½Î¹ [ni] Ni), is the 13th letter of the Greek alphabet. In the system of Greek numerals it has a value of 50. It is derived from the ancient Phoenician alphabet nun .