a lustrous grey strong metallic element resembling titanium; it is used in nuclear reactors as a neutron absorber; it occurs in baddeleyite but is obtained chiefly from zircon krzyżówka

w chemii: symbol cyrkonu.

a translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones a mineral that contains metal that is valuable enough to be mined the pelt of a leopard any of various resins or oleoresins 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 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" the state of being connected; "the connection between church and state is inescapable" a state of depression; "he had a bad case of the blues" a state of individual psychological well-being based upon a sense of confidence and usefulness and purpose a painful muscle spasm especially in the neck or back (`rick' and `wrick' are British)

a long narrative poem telling of a hero's deeds a longitudinal slice or boned side of a fish a lottery in which tickets are drawn from a revolving drum A lub alfa A lub pierścienia a lump or mass of hard consolidated mineral matter; "he threw a rock at me" a main battle tank designed and produced in West Germany that first entered service in 1965. a major division of geological time; an era is usually divided into two or more periods a major Mexican port on the Gulf of Mexico in the state of Veracruz a man who serves as a sailor a marking that consists of lines that cross each other a medieval weight or mass unit equal to half a pound, which supplanted the pound weight as a precious metals and coinage weight from the 11th century.