Planetary Gear

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 relative to the sun gear. Additionally, epicyclic gearing systems may incorporate the use of an outer ring gear which meshes with the planet gears. Planetary gear systems are used in automatic transmissions. Also known as epicyclic gearing.

Other Words for Gear

Gear Noun Synonyms: equipment, apparatus, appliances, implements, tools, tackle, utensils, supplies, material(s), accessories, accoutrements or also accouterments, appurtenances, paraphernalia, panoply, outfit, trappings, fixtures, materiel
Gear Verb Synonyms: cog, cog-wheel, gearbox, mechanism, machinery, works
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Planetary Hours

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

Planetary Gear

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

Landing Gear

Technology / Aviation / Landing Gear: The wheels, floats, skis, and all of the attachments that support the airplane when it is resting on the ground or water. MORE

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