The physicist's imagination is necessarily more concrete; since he is incessantly obliged to refer to the data of sense or to that totality of visual, tactile, motor, acoustic, thermic, etc.
"Essay on the Creative Imagination"
Th. Ribot
Irritation to the skin may be either chemical, thermic or mechanical.
"Common Diseases of Farm Animals"
R. A. Craig, D. V. M.
He arranged a thick slab of plate glass between Thornton and the thermic transformer, and stepping to the wall closed a switch.
"The Man Who Rocked the Earth"
Arthur Train Robert Williams Wood