Science

Carbonate Ester Definition Carbonate ester is a salt or ester of carbonic acid, containing the group CO3. The reaction of carbonic acid with a metal…

Reflexive Axiom: A number is equal to itelf. (e.g a = a). This is the first axiom of equality. It follows Euclid’s Common Notion One:…

Lumbar Plexus Definition Lumbar plexus is a group of four nerves (L1, L2, L3 and L4) that are located in front of the hip joint…

Propylene Carbonate Definition Propylene carbonate is a clear, odorless solvent with a high boiling point. It is an organic compound with the formula CH3C2H3O2CO. In…

Peripheral Nervous System Definition Peripheral nervous system (PNS) is the part of the nervous system in vertebrate animals that lies outside of the brain and…

Nickel Definition Nickel is a silvery, hard, ductile metallic element that occurs in ores along with iron or magnesium. It occurs sparingly in nature in…

Propylene Oxide Definition Propylene oxide is a chemical compound that is organic in nature and acts as a chemical intermediate in many chemical processes used…

Chromite Definition Chromite is a brownish-black mineral consisting of a ferrous chromic oxide in cubic crystalline form, occurring principally in basic igneous rocks: the only…

Myelin Protein Zero Definition Myelin protein zero (PO, MPZ) is a glycoprotein which in humans is encoded by the MPZ gene. This gene is specifically…

Axioms of Algebra An Axiom is a mathematical statement that is assumed to be true. There are five basic axioms of algebra. Axioms are generally…

Propylene Glycol Definition Propylene glycol is a colorless, viscous liquid used in antifreeze solutions, in hydraulic fluids, and as a solvent. Unlike ethylene glycol, it…

Lava Tube Definition Lava tubes are the longest and most complicated of volcanic caves. They are the channels of rivers of lava that at some…