stress
noun
°(physics) The internal distribution of force per unit area (pressure) within a body reacting to applied forces which causes strain or deformation and is typically symbolised by σ.
°(physics) externally applied to a body which cause internal stress within the body.
verb
°To apply force to (a body or structure) causing strain.
°To apply emotional pressure to (a person or animal).
synonyms: accent, emphasis, emphasise, emphasize more» , underline