Acetonenoun
(organic compound) A colourless, volatile, flammable liquid ketone, (CH3)2CO, used as a solvent.
Polystyrenenoun
(organic chemistry) A vinylic polymer of styrene, CH2CHphenyl.
Acetonenoun
A volatile liquid consisting of three parts of carbon, six of hydrogen, and one of oxygen; pyroacetic spirit, - obtained by the distillation of certain acetates, or by the destructive distillation of citric acid, starch, sugar, or gum, with quicklime.
Polystyrenenoun
(organic chemistry) An alkane chain of benzene molecules, RCH2CHphenylR.
Acetonenoun
the simplest ketone; a highly inflammable liquid widely used as an organic solvent and as material for making plastics
Polystyrenenoun
a polymer of styrene; a rigid transparent thermoplastic;
‘expanded polystyrene looks like a rigid white foam and is used as packing or insulation’;
Acetone
Acetone, or propanone, is an organic compound with the formula (CH3)2CO. It is the simplest and smallest ketone. It is a colourless, highly volatile and flammable liquid with a characteristic pungent odour.
Polystyrene
Polystyrene (PS) is a synthetic aromatic hydrocarbon polymer made from the monomer known as styrene. Polystyrene can be solid or foamed.