|—n , pl pos|
|(Brit) an informal word for chamber pot|
|[C19: from |
|—the chemical symbol for|
|5.||Also: p.o. postal order|
The symbol for the element polonium.
The symbol for polonium.
|polonium (pə-lō'nē-əm) Pronunciation Key
A very rare, naturally radioactive, silvery-gray or black metalloid element. It is produced in extremely small amounts by the radioactive decay of radium or the bombardment of bismuth or lead with neutrons. Atomic number 84; melting point 254°C; boiling point 962°C; specific gravity 9.32; valence 2, 4. See Periodic Table.
Latin per os (by mouth)
people of northwestern Yunnan province, southwest China. Minjia is the Chinese (Pinyin) name for them; they call themselves Bai or Bo in their own language, which has been classified within the Yi group of Tibeto-Burman languages. Until recently the language was not written. It contains many words borrowed from Chinese but is itself a non-Chinese, tonal, polysyllabic language with a markedly different grammatical structure
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