Sandglass vs. Hourglass

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An instrument for measuring the passage of time by the passage of sand through a narrow opening.


A clock made of two glass vessels connected by a narrow passage through which sand flows.

‘egg timer’; ‘After each game turn, invert the hourglass to reset the time limit for the next player.’;


An instrument for measuring time by the running of sand. See Hourglass.


(GUI) A cursor, often shaped like an hourglass, indicating that the computer is busy.


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


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.



a sandglass that runs for sixty minutes


An hourglass (or sandglass, sand timer, sand clock or egg timer) is a device used to measure the passage of time. It comprises two glass bulbs connected vertically by a narrow neck that allows a regulated flow of a substance (historically sand) from the upper bulb to the lower one.

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