Useful english dictionary. 2012.
Plutonium — (pronEng|pluːˈtoʊniəm, symbol Pu, atomic number 94) is a rare radioactive, metallic chemical element. The most significant isotope of plutonium is 239Pu, with a half life of 24,100 years; this isotope is fissile and is used in most modern nuclear … Wikipedia
plutonium pit — noun a steel or beryllium sphere containing plutonium 239 that triggers nuclear fission when compressed by explosives • Syn: ↑plutonium trigger • Hypernyms: ↑trigger • Part Holonyms: ↑atom bomb, ↑atomic bomb, ↑A bomb, ↑ … Useful english dictionary
plutonium trigger — noun a steel or beryllium sphere containing plutonium 239 that triggers nuclear fission when compressed by explosives • Syn: ↑plutonium pit • Hypernyms: ↑trigger • Part Holonyms: ↑atom bomb, ↑atomic bomb, ↑A bomb, ↑ … Useful english dictionary
plutonium — noun ADJECTIVE ▪ radioactive ▪ weapons grade VERB + PLUTONIUM ▪ extract, produce, recover ▪ one ton of plutonium extracted from s … Collocations dictionary
bomb — Synonyms and related words: A bomb, Grand Guignol, H bomb, Passion play, Tom show, aerial bomb, antimasque, antipersonnel bomb, astonishment, atom bomb, atomic bomb, audience success, ballet, batter, be a gas, be a hit, bill, blast, blitz,… … Moby Thesaurus
Plutonium in the environment — is an article which is part of the actinides in the environment series. Almost all plutonium present in the environment is due to human activity because the majority of plutonium isotopes are shortlived on a geological timescale.… … Wikipedia
Plutonium — Neptunium ← Plutonium → Américium Sm … Wikipédia en Français
Plutonium(IV) oxide — IUPAC name Plutonium(IV) oxide … Wikipedia
Plutonium-239 — Infobox isotope alternate names = symbol =Pu mass number =239 mass = num neutrons =145 num protons =94 abundance = halflife = 24,110 years error halflife = background = #FF6 text color = decay product =Uranium 235 decay symbol =U decay mass =235… … Wikipedia
plutonium — /pluˈtoʊniəm / (say plooh tohneeuhm) noun Chemistry a radioactive element, capable of self maintained explosive fission, isolated during research on the atomic bomb in 1940. It is formed by deuteron bombardment of neptunium, and has an isotope of …
