The symbol for the element plutonium.
The symbol for plutonium.
A silvery, radioactive metallic element of the actinide series that has the highest atomic number of all naturally occurring elements. It is found in minute amounts in uranium ores and is produced artificially by bombarding uranium with neutrons. It is absorbed by bone marrow and is highly poisonous. Plutonium is used in nuclear weapons and as a fuel in nuclear reactors. Its longest-lived isotope is Pu 244 with a half-life of 76 million years. Atomic number 94; melting point 640°C; boiling point 3,232°C; specific gravity 19.84; valence 3, 4, 5, 6. See Periodic Table.
P.U. Used to indicate a bad or offensive smell (from “phew”)
splendid. (1.) One of the two midwives who feared God, and refused to kill the Hebrew male children at their birth (Ex. 1:15-21). (2.) A descendant of Issachar (Judg. 10:1).
noun 1. a bar or tavern. 1. public. 2. publication. 3. published. 4. publisher. 5. publishing. noun 1. (mainly Brit) Formal name public house. a building with a bar and one or more public rooms licensed for the sale and consumption of alcoholic drink, often also providing light meals 2. (Austral & NZ) a hotel […]
pubarche pu·bar·che (pyōō-bär’kē) n. The onset of puberty, particularly as manifested by the appearance of pubic hair.
noun the social activity of frequenting a bar or a number of bars Word Origin 1937