The chainsaw is a highly effective and efficient tree and branch cutting power tool. It works with an engine, referred to as a power head; powering a metal chain, driven by a centrifugal clutch, with a chain moving around a groove in the guide bar at fast speeds.
adenoids. 1  one of two masses of lymphatic tissue situated on the posterior wall of the nasopharynx behind the posterior nares. During childhood these masses often swell and block the passage of air from the nasal cavity into the pharynx, preventing the child from breathing through the nose.
However, thanks in large part to CNN and the BBC in the 1980s/1990s to today including âfactoidsâ in their news casts referring to trivial bits of factual information, there is now a second âofficialâ definition of âfactoidâ as follows (from Merriam-Webster): âa briefly stated and usually trivial factâ.