noun, plural abacuses, abaci. [ab-uh-sahy, -kahy, uh-bak-ahy] /ËÃ¦b ÉËsaÉª, -ËkaÉª, ÉËbÃ¦k aÉª/ (Show IPA) 1. a device for making arithmetic calculations, consisting of a frame set with rods on which balls or beads are moved. 2. Architecture. a slab forming the top of the capital of a column. Origin of abacus.
Quick Answer. Sulfa is a type of pharmaceutical drug that contain sulfonamides. Sulfonamides are compounds that contain nitrogen, hydrogen, oxygen and the sulfur they take their name from. Sulfur is a chemical that is extremely small and unlikely to cause allergic reactions on its own, unlike sulfonamides. Continue Reading.
Sulfur. Sulfur is the chemical element that is found in Sulfa Drugs, Sulfites, and Sulfates. Sulfur is an essential element of life and is found in amino acids and other important molecules in the body. It is IMPOSSIBLE to have a sulfur allergy.You cannot survive without sulfur.ulfur is the chemical element that is found in Sulfa Drugs, Sulfites, and Sulfates. Sulfur is an essential element of life and is found in amino acids and other important molecules in the body.