STRESS n.
n of forces, which produces a strain; force exerted in any direction or manner between contiguous bodies, or parts of bodies, and taking specific names according to its direction, or mode of action, as thrust or pressure, pull or tension, shear or tangential stress. Rankine. Stress is the mutual action between portions…
SUN n.
rons. It is beautifully variegated with white, brown, and black. Called also sunbird, and tiger bittern. -- Sun fever (Med.), the condition of fever produced by sun stroke. -- Sun gem (Zoöl.), a Brazilian humming bird (Heliactin cornutus). Its head is ornamented by two tufts of bright colored feathers, fiery crimson…