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Definition of Anti-G suit
1. Noun. Worn by fliers and astronauts to counteract the forces of gravity and acceleration.
Medical Definition of Anti-G suit
1. A garment with bladders that expand to apply external pressure to the abdomen and lower extremities during positive G manoeuvres in flight or on a human centrifuge; the anti-G suit is worn to prevent the pooling of blood and serves to increase the wearer's ability to withstand exposure to higher G forces. (05 Mar 2000)