Lacking a skeleton.

Oil carried by a ship and dispersed into an area of water to calm it (as it absorbs some of the energy of waves, and covers a large area in a slick film upon which wind can get less traction to pro...

present participle of barycenter

A process by which an amalgam of gold is applied to metallic surfaces, the mercury being subsequently volatilized, leaving a film of gold or an amalgam containing from 13 to 16% of mercury.