(noun) A chemical is a either a chemical element or a material with a defined composition of such elements: a chemical compound. (see also molecule). The term is often used to refer to bulk material, rather than to individual microscopic or submicroscopic particles, e.g., "A chemical is a specific collection of atoms or molecules."
(noun) Chemicals is the industry or trade of producing or manipulating such chemicals.
... translation
(1502) was by William Atkinson and Margaret,
mother of Henry VII., who did the fourth book.
Translations appeared in Italian (Venice, 1488,
Milan 1489), ...