the chemical element of atomic number 90, a white radioactive metal of the actinide series
a respiratory condition marked by spasms in the bronchi of the lungs, causing difficulty in breathing. It usually results from an allergic reaction or other forms of hypersensitivity
an acute, highly contagious bacterial disease causing inflammation of the mucous membranes, formation of a false membrane in the throat that hinders breathing and swallowing, and potentially fatal heart and nerve damage by a bacterial toxin in the blood. It is now rare in developed countries because of immunization
(1906–64), British novelist, born in India; full name Terence Hanbury White. He is best known for the tetralogy The Once and Future King, his reworking of the Arthurian legend, which began with The Sword in the Stone (1938)
a discussion in which each party is unresponsive to what the other says