Pun.

Brit.

/ˌpiːˈjuː/, U.S.

/ˌpiˈju/

Origin: Formed within English, by clipping or shortening. Etymon: plutonium n.²

Etymology: Symbolic abbreviation for plutonium n.²

Chemistry.

The element plutonium.

ΚΠ

1942 G. T. Seaborg & A. C. Wahl Chem. Properties Elem. 94 & 93 (U.S. Office Sci. Res. & Devel. Rep. A–135) 17 Following McMillan, who has suggested the name neptunium..for element 93, we are using plutonium..for element 94... The corresponding chemical symbols would be Np and Pu.

1981 Times 12 June 15/5 The reactor fuel (highly enriched uranium) is not suitable for the production of significant quantities of Pu 239 for a plutonium-based fission device.

2005 Appl. Radiation & Isotopes 63 633/1 For analysis of environmental plutonium, methods rely in general on chemical separation of Pu from the bulk material.

This is a new entry (OED Third Edition, September 2007; most recently modified version published online March 2022).

单词	pu
释义	Pun. Brit. /ˌpiːˈjuː/, U.S. /ˌpiˈju/ Origin: Formed within English, by clipping or shortening. Etymon: plutonium n.² Etymology: Symbolic abbreviation for plutonium n.² Chemistry. The element plutonium. ΚΠ 1942 G. T. Seaborg & A. C. Wahl Chem. Properties Elem. 94 & 93 (U.S. Office Sci. Res. & Devel. Rep. A–135) 17 Following McMillan, who has suggested the name neptunium..for element 93, we are using plutonium..for element 94... The corresponding chemical symbols would be Np and Pu. 1981 Times 12 June 15/5 The reactor fuel (highly enriched uranium) is not suitable for the production of significant quantities of Pu 239 for a plutonium-based fission device. 2005 Appl. Radiation & Isotopes 63 633/1 For analysis of environmental plutonium, methods rely in general on chemical separation of Pu from the bulk material. This is a new entry (OED Third Edition, September 2007; most recently modified version published online March 2022). < n.1942
随便看	militating militation milites gloriosi militia militia act militia army militia band militia bill militia carpenter militia colonel militia commission militia constable militia force militia guard militia horse militia officer militia regiment militia reserve militia service militia soldier militiaman militiamen militias militiate militiating