1

hourglass

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noun hour·glass \ˈau̇(-ə)r-ˌglas\

Definition of hourglass

  1. :  an instrument for measuring time consisting of a glass vessel having two compartments from the upper of which a quantity of usually sand runs in an hour into the lower one

Illustration of hourglass

First Known Use of hourglass

circa 1515


2

hourglass

adjective hour·glass

Definition of hourglass

  1. :  shaped like an hourglass an hourglass figure

First Known Use of hourglass

circa 1834


HOURGLASS Defined for English Language Learners

hourglass

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noun

Definition of hourglass for English Language Learners

  • : a device for measuring time


HOURGLASS Defined for Kids

hourglass

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noun hour·glass \ˈau̇r-ˌglas\

Definition of hourglass for Students

  1. :  a device for measuring time in which sand takes an hour to run from the upper into the lower part of a glass container



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