[{"Bold_text": "verb (used with object)", "List Items": ["to increase in extent, size, volume, scope, etc.:Heat expands most metals. He hopes to expand his company.Synonyms: enlarge , swell , extend", "to spread or stretch out; unfold:A bird expands its wings.", "to express in fuller form or greater detail; develop:to expand a short story into a novel.", "Mathematics.to write (a mathematical expression) so as to show the products of its factors.Compare factor(def10) factor(def10).to rewrite (a mathematical expression) as a sum, product, etc., of terms of a particular kind:to expand a function in a power series.", "to write (a mathematical expression) so as to show the products of its factors.Compare factor(def10) factor(def10).", "to rewrite (a mathematical expression) as a sum, product, etc., of terms of a particular kind:to expand a function in a power series."]}, {"Bold_text": "verb (used without object)", "List Items": ["to increase or grow in extent, bulk, scope, etc.:Most metals expand with heat. The mind expands with experience.", "to spread out; unfold; develop:The buds had not yet expanded.", "to express something more fully or in greater detail (usually followed byonorupon):to expand on a statement."]}]