(Encyclopedia) poloniumpoloniumpəlōˈnēəm [key], radioactive chemical element; symbol Po; at. no. 84; mass no. of most stable isotope 209; m.p. 254℃; b.p. 962℃; sp. gr. about 9.4; valence +2 or +4.…
(Encyclopedia) actiniumactiniumăktĭnˈēəm [key] [Gr.,=like a ray], radioactive chemical element; symbol Ac; at. no. 89; mass number of most stable isotope 227; m.p. about 1,050℃; b.p. 3,200℃±300℃; sp…
(Encyclopedia) Laurencin, MarieLaurencin, Mariemärēˈ lōräNsăNˈ [key], 1885–1956, French painter and print maker. She studied under Carrière and was influenced by the fauvist and cubist movements. By…
Mongan, Marie
(Encyclopedia) Mongan, Marie, 1933-2019, American natural childbirth advocate, b. San Diego, Ca., as Marie Madeline Flanagan, Plymouth State Univ. (B…
(Encyclopedia) Marie AntoinetteMarie Antoinetteăntwənĕtˈ, äNtwänĕtˈ [key], 1755–93, queen of France, wife of King Louis XVI and daughter of Austrian Archduchess Maria Theresa and Holy Roman Emperor…
(Encyclopedia) Marie Caroline, 1752–1814, queen of Naples, consort of Ferdinand IV (later Ferdinand I of the Two Sicilies), daughter of Holy Roman Emperor Francis I and Maria Theresa, and sister of…
(Encyclopedia) Marie LeszczynskaMarie Leszczynskalĕshchĭnˈskə [key], 1703–68, queen of France, wife of Louis XV, and daughter of Stanislaus I of Poland. Married in 1725, she bore 10 children and was…
(Encyclopedia) Marie Louise, 1791–1847, empress of the French (1810–15) as consort of Napoleon I and duchess of Parma, Piacenza, and Guastalla (1816–47), daughter of Holy Roman Emperor Francis II (…
(Encyclopedia) Dressler, Marie, 1869–1934, American actress, b. Coburg, Ont., Canada. She appeared on stage and in vaudeville before making her first film, Tillie's Punctured Romance (1914). Although…
