Science

Stilbite Definition Stilbite is a white or yellow zeolite mineral consisting of hydrated calcium sodium aluminium silicate, often in the form of sheaves of monoclinic…

Rett Syndrome Definition Rett syndrome (RTT) is a rare, severe neurological disorder that affects mostly girls. Girls with the syndrome show normal development during the…

Mathematical induction is a technique for proving a statement – a theorem, or a formula — that is asserted about every natural number. It is…

Zeolite Definition Zeolite is any of a family of hydrous aluminum silicate minerals, whose molecules enclose cations of sodium, potassium, calcium, strontium, or barium. Zeolites…

Volume of Cone A cone is a three-dimensional figure with one circular base. It has a curved surface which tapers (i.e. decreases in size) to…

Andesite Definition Andesite is a gray, fine-grained volcanic rock. Andesite consists mainly of sodium-rich plagioclase and one or more mafic minerals such as biotite, hornblende,…

Mathematical induction is a technique for proving a statement – a theorem, or a formula — that is asserted about every natural number. It is…

Hematuria Definition Hematuria is a condition where there is blood in the urine. If this happens, it may be nothing to worry about or it…

Basalt Definition Basalt is a dark, fine-grained, igneous rock consisting mostly of plagioclase feldspar and pyroxene, and sometimes olivine. Basalt makes up most of the…

Costello Syndrome Definition Costello syndrome is a disorder that affects many parts of the body. Its condition is characterized by delayed development and intellectual disability,…

Actinolite is an amphibole silicate mineral with the chemical formula Ca2 (Mg4..5-2.5  Fe2+0.5-2.5) Si8O22 (OH)2. It is a member of the amphibole silicate mineral family.…

Precipitation Definition Precipitation is a process that causes dissolved substances to separate from a solution as a solid. In general, precipitation happens when one phase…