† periotn.
Obsolete.
A unit of weight equal to 1/ 9600 grain (approx. 6.75 micrograms). Cf. droit n.2
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the world > relative properties > measurement > measurement by weighing > [noun] > unit or denomination of weight > smallest unit or grain > specific parts of grain
mitea1393
periot1564
fourth1594
minta1600
droit1601
prime1604
second1604
blank1680
1564 Conf. of Weightes (MS. Rawl. D. 23) lf. 6 The mynters..devyde a droyte into .20. peryottes, and a peryott into .24. blanckes.
1604 in F. Moryson Itinerary (1617) I. iii. vi. 282 06 Pennyweights, 10 Graines, 16 Mites, 18 Droits, 10 Periots.
1649 Acts & Ordin. Parl. (Scobell) c. 43 65 Twenty Mites makes a Grain; Twenty four Droits makes a Mite; Twenty Perits makes a Droit; Twenty four Blanks makes a Perit.
1680 R. Morden Geogr. Rectified (1685) 279 The Monyers Divide the Perit into 24 Blanks.
1725 R. Bradley Chomel's Dictionaire Œconomique at Weights The Moneyers subdivide the grain thus: 24 Blanks make 1 Perrot; 20 Perrots 1 Dwit; 24 Dwits 1 Mite; 20 Mites 1 grain.
1811 P. Kelly Universal Cambist I. 257 The Droit into 20 Periots.
This entry has been updated (OED Third Edition, December 2005; most recently modified version published online December 2020).
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