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sandglass

DEFINITIONS OF: sandglass

1

n timepiece in which the passage of time is indicated by the flow of sand from one transparent container to another through a narrow passage

Types:
egg timer
a sandglass that runs for three minutes; used to time the boiling of eggs
hourglass
a sandglass that runs for sixty minutes
Type of:
horologe, timekeeper, timepiece
a measuring instrument or device for keeping time
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