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Webster 1913 Edition
Sextodecimo
Sexˊto-dec′i-mo
,Adj.
[L.
sextus-decimus
the sixteenth; sextus
the sixth (fr. sex
six) + decimus
the tenth, from decem
ten. See -mo
.] Having sixteen leaves to a sheet; of, or equal to, the size of one fold of a sheet of printing paper when folded so as to make sixteen leaves, or thirty-two pages;
as, a
. sextodecimo
volumeSexˊto-dec′imo
,Noun.
pl.
Sextodecimos
. A book composed of sheets each of which is folded into sixteen leaves; hence, indicating, more or less definitely, a size of a book; – usually written 16mo, or 16°.