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Hourglass - Dictionary Definition and Overview |
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Hourglass : (noun)
1: a sandglass that runs for sixty minutes
Based on WordNet 2.0
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Hourglass : \Hour"glass`\, n.
An instrument for measuring time, especially the interval of
an hour. It consists of a glass vessel having two
compartments, from the uppermost of which a quantity of sand,
water, or mercury occupies an hour in running through a small
aperture unto the lower.
Note: A similar instrument measuring any other interval of
time takes its name from the interval measured; as, a
half-hour glass, a half-minute glass. A
three-minute glass is sometimes called an egg-glass,
from being used to time the boiling of eggs.
Based on WordNet (r) 2.0 (August 2003)
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