Christy pit en · NOUN
Etymology
Named after Canadian-American physicist Robert F. Christy, who worked on the Manhattan Project to produce the first nuclear weapons.
Meanings
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An early design of pit (core of an implosion-type nuclear weapon), used in the detonation over Nagasaki, Japan, in August 1945.
The principal insight behind the Christy pit was that a solid, subcritical core of plutonium could be compressed to criticality.
2017, Demon core, entry in Benjamin C. Garrett, Historical Dictionary of Nuclear, Biological, and Chemical Warfare, Bowman & Littlefield, 2nd Edition, page 90, Nickname given to the Christy pit because of its association with two fatalities during hands-on Dragon Experiments; it replaced “Rufus,” an earlier nickname. The Christy pit, a solid sphere of plutonium-239, was initially fabricated as two hemispheres of an alloy of plutonium and gallium.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| Christy pits | Number=Plur | lexicographic |