Detective Fermin Archer died from injuries received in a vehicle accident while on duty. Today, we add six members of the world's greatest police department to the Wall of Heroes, said Mayor Bloomberg.
tautness Noun 1 the physical condition of being stretched or strained; it places great tension on the leg muscles; he could feel the tenseness of her body [syn: tension, tensity, tenseness]
Definition of viscosity. plural. viscosities. 1 : the quality or state of being viscous. 2 : the property of resistance to flow in a fluid or semifluid. 3 : the ratio of the tangential frictional force per unit area to the velocity gradient perpendicular to the direction of flow of a liquid âcalled also coefficient of viscosity.