/dek"yoo peuhl/ , adj., n., v., decupled, decupling .
adj.
1. ten times as great; tenfold.
n.
2. a tenfold quantity or multiple.
v.t.
3. to make ten times as great.
[ 1375-1425; late ME decuplus tenfold, equiv. to dec ( em ) ten + -uplus, as in quadruplus QUADRUPLE ]