This was a matter of vital importance to him, and this man seemed able to insulate himself against either threat or suggestion.
These, when dry, insulate almost, but not quite as well as solid paraffin.
By means of the ribbon he held the cord to insulate it from his hand.
Be sure to insulate all joints and wires well inside the box.
A simple porcelain cleat at either end, as shown in the drawing, will serve to insulate it sufficiently.
I frankly don't know how we could insulate the peas from the effects of the saltpetre.
In using a metal-box base, be sure to insulate the connections at the magnet coils and binding posts.
We are to be conductors of the Divine energy; not to insulate it.
We might even place a layer of asphalte between the copper floor and the ground, so as to insulate the building.
A single paper thus prepared could insulate the electricity of a trough of forty pairs of plates.
insulate 1538, "make into an island," from L. insulatus (see insular). Sense of "cause a person or thing to be detached from surroundings" is from 1785. Electrical/chemical sense of "block from electricity or heat" is from 1742. Insulation "insulating material" is from 1870.