plural of polybag

(chemistry, of an acid) containing two or more replaceable hydrogen atoms / (chemistry, of a salt) having two or more atoms of a univalent metal

(mineralogy) An iron-black ore of silver, consisting of silver, sulfur, and antimony, with some copper and arsenic.

plural of polybase

(chemistry) a polymer, containing imidazole repeat units, prepared from tetraaminobiphenyl and diphenyl isophthalate; it does not melt or ignite, so is used in fire-resistant materials

plural of polybenzimidazole

(chemistry) Any polybasic compound

A mixture of two or more polymers, especially of man-made fibres or recycled plastic. / A material made from such a blend.

(organic chemistry) A polyampholyte whose repeat unit is derived from betaine

A plastic bag used to package a number of things together, but especially one used to package small supplementary publications that would otherwise fall out of a newspaper or magazine.