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DAMP-PROOFING

Coating of the wall with a moisture-resistant preparation or adding a damp-course to prevent ingress of moisture.

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DAMPED BALANCE

Chemical balance achieved using magnetic or air dash pots.

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DAMPING DOWN

Closing of all apertures through which air can enter the bast furnace, with the goal to prevent it from further work.

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DAMPING MAGNET

A permanent magnet which provides damping by opposing the motion of the conductor when used in conjunction with disk or other moving conductor.

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DAMPING-OFF

A disease of seedlings as a result of fungal attack. It results in wilting and death.

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DAMPS

Abbreviation for digital advanced mobile phone system.

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DANBURITE

Calcium borosilicate mineral with chemical formula CaB2(SiO4)2. It is transparent to translucent and similar to topaz in form.

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DANDY ROLL

A cylinder of wire gauze used to impress the water mark and to solidify partly formed paper during its manufacture.

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DANGEROUS SEMICIRCLE

The half of the nearly circular area of a cyclonic storm with strongest winds and heaviest seas into which a vessel tends to be drawn.

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DANIAN

The lowest stage of the Paleocene or uppermost Cretaceous geologic time.

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