hourglass
(aʊəʳglɑːs ) also hour glass
Word forms: hourglasses
countable noun
An hourglass is a device that was used to measure the passing of an hour. It has two round glass sections linked by a narrow channel, and contains sand which takes an hour to flow from the top section into the lower one.
The hourglass is almost out of sand.
Image of hourglass
© Andrey Burmakin, Shutterstock
- unfair tax
- unfair treatment
- unfair trial
- unfaithful
- unfaithful spouse
- unfamiliar
- unfamiliar concept
- unfamiliar environment
- unfamiliar face
- unfamiliarity
- unfamiliar name
- unfamiliar setting
- unfamiliar sight
- unfamiliar situation
- unfamiliar surroundings
- unfamiliar terrain
- unfamiliar territory
- unfamiliar voice
- unfamiliar words
- unfashionable
- unfashionably
- unfasten
- unfathomable
- unfathomable depth
- unfathomable mystery