a hard kind of stone; a form of silica more opaque than chalcedony krzyżówka

Szkło optyczne

essential oil or perfume obtained from flowers a hard copal derived from an African tree any of various fragrant oleoresins used in medicines and perfumes a colloidal extract of algae; used especially in culture media and as a gelling agent in foods any culture medium that uses agar as the gelling agent any of various dark heavy viscid substances obtained as a residue a mixture of lime or gypsum with sand and water; hardens into a smooth solid; used to cover walls and ceilings a hydrocarbon radical (C4H9) rich brown pigment prepared from the ink of cuttlefishes a pesticide in suspension or solution; intended for spraying any of various resins or oleoresins the pelt of a leopard a mineral that contains metal that is valuable enough to be mined a translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium (physics and chemistry) the smallest component of an element having the chemical properties of the element any of a class of composite plastics used to make car bodies and cases for computers and other appliances (nontechnical usage) a tiny piece of anything state of disgrace resulting from detestable behavior special emphasis attached to something; "the stress was more on accuracy than on speed"