Science

Pyrrhotite Definition Pyrrhotite is a common bronze-coloured magnetic mineral consisting of ferrous sulphide in hexagonal crystalline form. It is also called magnetic pyrite, because the…

Barium Titanate Definition Barium titanate (BaTiO3) is an inorganic chemical compound which is available in a white powder form. It is a common ferroelectric material…

Abswurmbachite is a copper manganese silicate mineral [(Cu,Mn2+)Mn3+6O8SiO4]. Abswurmbachite was discovered in 1990 and named after a German mineralogist, Dr. Irmgard Abs-Wurmbach, a German mineralogist.…

Brainstem Definition Brainstem is the part of the vertebrate brain located at the base of the brain and made up of the medulla oblongata, pons,…

Perovskite Definition Perovskite is a yellow, brown, or greyish-black mineral form of calcium titanate with some rare-earth elements, which is used in certain high-temperature ceramic…

Point-slope Form of a Line Slope-intercept form is useful when we know the y- intercept of a line. However, we are not always given this…

Vertebral Artery Definition Vertebral artery is one of the main arteries at the base of the neck and is the first branch of the subclavian…

Abramovite is a very rare mineral from the sulfides and sulfosalt categories. It has the chemical formula Pb2SnInBiS7. It occurs as tiny elongated lamellar-shaped crystals,…

Platinum Definition Platinum (symbol Pt) is a soft, ductile, malleable, silver-white metallic element that usually occurs with osmium, iridium, palladium, or nickel. Its name is…

Auditory Cortex Definition Auditory cortex is the section of the brain that processes information received through hearing. It is also called auditory area. It is…

Subtraction Using Estimation A quick way to estimate the difference between two numbers is to round each number and then subtract the rounded numbers. This…

Molybdenum Definition Molybdenum (symbol Mo) A hard, silvery-white metallic element that resists corrosion and retains its strength at high temperatures. The name is from Neo-Latin…