Ground Speed

Technology / Aviation / Ground Speed: The actual speed that an aircraft travels over the ground (its “shadow speed”): it combines the aircraft’s airspeed and the wind velocity relative to the aircraft’s direction of flight.

Other Words for Ground

Ground Adjective Synonyms: earth, soil, turf, sod, dirt, loam, clay, land, terrain
Ground Noun Synonyms: base, establish, organize, found, settle, set
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Other Words for Speed

Speed Adjective Synonyms: hasten, make haste, hurry, rush, charge, dart, bolt, shoot, run, race, sprint, fly, streak, scurry, tear, hustle, scramble, scamper, career, bowl along, go or fly like the wind, go hell for leather, go like a bat out of hell, belt along, step on it
Speed Noun Synonyms: rapidity, fleetness, quickness, speediness, swiftness, velocity, dispatch or despatch, hurry, hurriedness, haste, hastiness, celerity, alacrity, expeditiousness, expedition, briskness, promptness, timeliness, suddenness, precipitateness, precipitousness,
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Air Speed Indicator

Technology / Aviation / Air Speed Indicator: An instrument or device that measures the air speed of an aircraft through an air mass, but not its ground speed. MORE

Lens Speed

Entertainment / Photography / Lens Speed: Largest lens opening (smallest f-number) at which a lens can be set. A fast lens transmits more light and has a larger opening than a slow lens. Determined by the maximum aperture of the lens in relat MORE

ISO Speed

Technology / Digital Cameras / ISO Speed: A rating of a film's sensitivity to light. Though digital cameras don't use film, they have adopted the same rating system for describing the sensitivity of the camera's imaging sensor. Digital camera MORE

Intentional Grounding

Entertainment / Football / Intentional Grounding: A type of illegal forward pass; thrown without an intended receiver and no chance of completion to any offensive player, for the sole purpose of conserving time or loss of yardage. This foul costs the MORE

Middle Ground

Life Style / Painting / Middle Ground: The area of a painting between the foreground and the background. In a landscape this usually where your focal point would be. See Background, Foreground. MORE

ISO Film Speed Equivalency

Technology / Digital Cameras / ISO Film Speed Equivalency: With traditional film cameras, sensitivity, also known as ISO, represents the film's sensitivity to light. A lower ISO number means that the film needs more light to take a picture than film with a hi MORE

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