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MAN
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Qubit
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Patina
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Black drop
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Spica
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Objective
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Empyema
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Minimum inhibitory concentration
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Biot-Savart law
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Autosome
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Polysynthetic
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Defoliator
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Constellation of Scorpio
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IP
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Dual core
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Septicaemic plague
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Semiconductor laser
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Group velocity
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Gynandromorphism
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SSL
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Mersenne prime
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CAF / French Avifauna Commission
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Chloasma
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Plagioclasite
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Hypha
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Trisomy
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Interneurone
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New Worlds Observer
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Protease inhibitor
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Solar flare
Crater
A crater is a depression generally located at the summit of a volcano, with more or less steep sides. When the diameter of a crater is greater than 2 km, we call it a caldera.
Crater
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