a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms krzyżówka

w chemii: symbol ameryku.

a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium 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 (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 central point or locus of an infection in an organism; "the focus of infection"