acid Any substance with particular chemical properties that dissociates in water to yield a corrosive or sour-tasting solution containing hydrogen ions that having a pH of less than 7, turning litmus red, neutralizing alkalis, and dissolving some metals.last updated 28 Dec 2015 https://en.wikipedia.org/wiki/Acidlast updated 28 Dec 2015
alcohol Any organic compound of the class that contains one or more hydroxyl groups bound to a carbon atom of an alkyl group, or hydrocarbon chain and is a hydroxy derivative of hydrocarbons.last updated 29 Dec 2015 https://en.wikipedia.org/wiki/Alcohollast updated 29 Dec 2015
chemical Any basic compound or substance of constant chemical composition and characteristic properties that is used in, or produced by chemistry or the phenomena of chemistry.last updated 28 Dec 2015 https://en.wikipedia.org/wiki/Chemical_substancelast updated 28 Dec 2015
fibre Any natural or synthetic long continous thin thread or filament substance or material that can be obtained from vegetables, woods, animals, minerals, or produced by biological or chemical method, and is usually used in the manufacture of other material.last updated 24 Dec 2015 https://en.wikipedia.org/wiki/Fiberlast updated 24 Dec 2015
paint The 'mass' thing of a fluid substance that is used for spreading on a surface to form a thin covering layer after drying.last updated 17 Feb 2015 http://en.wikipedia.org/wiki/Paintlast updated 17 Feb 2015
synthetic Any chemical, substance, or material that is made or prepared by the combination of two or more part artificially.last updated 29 Dec 2015