improvision

there would be a main defect, and her improvision justly accusable, if such a feeding animal […] should want a proper conveyance for choler, or have no other receptacle for that humour than the veins

A similar improvision, a modification of the device used to measure the planar ways (photo 8), makes several measurements at once.

It was a revolution grounded in exoterics, which may account in some part for the general air of naivety and improvision which surrounds it.

There are two general conceptions of improvision. The first, commonly applied is of a rather romantic woolly kind. It suggests that anything can happen in improvisation.