See Also: protactinium(medicine)
protactinium(dictionary)

impurist (iou) and protactinium (medicine)


impurist (iou)



impurist noun. M20.
[from IMPURE adjective after purist.]
A person who is not a purist; an opponent of purism.

protactinium (medicine)


protactinium
<chemical> Protactinium. A radioactive element of the actinide group of metals. It has the atomic symbol pa, atomic number 91, and atomic weight 231. It decays by alpha-emission.

Chemical name: Protactinium