| feathering [`feth·ǝ·riŋ] FOOD ENGINEERING Flocculation of the cream (fat) in homogenized milk when added to hot coffee or tea due to a defect in the chemistry of the cream. GRAPHIC ARTS The diffusing or spreading of lines or photographic images. MECHANICAL ENGINEERING A pitch position in a controllable-pitch propeller; it is used in the event of engine failure to stop the windmilling action, and occurs when the blade angle is about 90° to the plane of rotation. Also known as full feathering. VERTEBRATE ZOOLOGY Plumage. |