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Malleability is a substance’s ability to deform under pressure (compressive stress). It is the ability of a substance, usually a metal, to be deformed or…

Definition – Petrified Wood (from the Latin root petro meaning “rock” or “stone”; literally “wood turned into stone”) is a fossil formed by the invasion…

Average Due Date An Average Due Date is an equated date on which a single payment (in place of several payments) may be made of…

Royalty is the sum payable by the lessee to the lessor for the use of rights vested in the lessor. Royalty payments are made according…

Ductility is when a solid material stretches under tensile stress. It is a measure of a metal’s ability to withstand tensile stress—any force that pulls…

Marine Biology Marine biology is the study of any living plant or animal in the sea. It is the study of marine organisms, their behaviors,…

Definition – “Variscite” is a rare hydrated aluminum phosphate mineral (AlPO4·2H2O), which is valued as a semiprecious gemstone and an ornamental material. It is a…

Definition & History – “Unakite” is the name used for a coarse-grained granitic rock that was composed of pink orthoclase feldspar, green epidote, and generally…

Auction Sale An auction sale is a public sale. It is a method and selling an asset to a person in competition in the presence…

Concept of Hire Purchase System Hire purchase system refers to the system wherein, the seller of goods delivers the goods to the buyer without transferring…

A macromolecule is a molecule with a large number of atoms. They are long repetitive sequences of an elementary chemical structure called the monomer. They…

Definition – “Lapis Lazuli” (/ˈlæpɪs ˈlæzjʊli, -laɪ/), also known simply as “lapis,” is a blue metamorphic rock that has been used by people as a…