Entertainment / Golf / Plane: (also 'swing plane') most easily visualized as the plane that the shaft of the club or the clubhead's arc describes during the swing
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Plane Verb Synonyms: flat or level (surface)
Plane Noun Synonyms: flat, even, level, smooth, plain, regular, unbroken, uninterrupted, uniform, horizontal
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Science / Astrology / Planetary Hours: A system devised by ancient astrologers that assigned one of the seven planets then known to each hour of the day. The first hour of sunrise was ruled by the planetary day ruler (Sunday, Sun; Monday, MORE
Entertainment / Photography / Film Plane: Plane at the back of the camera across which the film lies. MORE
Technology / Motorcycle / Planetary Gear: A gear system that consists of one or more outer gears (or planet gears), rotating about a central gear (or sun gear). Planet gears are often mounted on a movable arm or carrier which also may rotate MORE
Entertainment / Photography / Image Plane: Plane commonly at right angles to the optical axis at which a sharp image of the subject is formed. The nearer the subject is to the camera, the greater the lens image plane distance. MORE
Science / Astrology / Superior Planets: Planets whose orbits are larger than Earth's. The term is sometimes restricted to the three outermost planets: Uranus, Neptune and Pluto. MORE
Science / Astrology / Minor Planets: Synonymous with inner planets; those planets whose orbits lie between the Sun and Asteroid Belt. See inner planets. MORE