sand timer
noun
Pronunciation: /ˈsænd ˌtaɪmər/
Definition
A device consisting of two glass bulbs connected by a narrow neck, containing sand that flows from the top to the bottom bulb in a fixed period.
Examples
She used a sand timer to keep track of how long she spent brushing her teeth.
The kitchen sand timer helped him boil the eggs for exactly four minutes.
Board games often include a small sand timer to prevent players from taking too long on their moves.
Synonyms of sand timer
Words with a similar meaning to sand timer:
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