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protactinium
(redirected from Brevium)

    Also found in: Encyclopedia, Wikipedia, Hutchinson 0.04 sec.
protactinium /pro·tac·tin·i·um/ (Pa) (pro?tak-tin´e-um) chemical element, at. no. 91.
pro·tac·tin·i·um (prtk-tn-m)
n. Symbol Pa1
A rare, extremely toxic radioactive element having 13 known isotopes, the most stable of which is Pa 231 with a half-life of 32,700 years. Atomic number 91.
protactinium
a chemical element, atomic number 91, atomic weight 231, symbol Pa. See Table 6.
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Among the law publications in this inventory were Littleton's Tenures, 400 copies of Natura Brevium in English, 500 in French, plus "centum and quinquaginta alios libros de natura brevium [one hundred and fifty other books of Natura Brevium].
Elizabeth Pickering: the first woman to print law books in England ... by Kreps, Barbara / Renaissance Quarterly
A new papal college of scriptores brevium was created in 1503 (Partner, 1990, 12-16 and passim).
Creative partners: the marriage of Laura Battiferra and Bartolomeo ... by Kirkham, Victoria / Renaissance Quarterly
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