Englishfor English speakers
tumbler
Noun
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A tumblr is a movable obstruction in a lock that holds the bolt in place until lifted by a key.
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A tumblr is a drinking glass that has no handle or stem.
beaker
Noun
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A beaker is a clear container that holds liquids, etc.
The beaker contains 100 litre of milk.
tub
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noun
(= bathtub)
a relatively large open container that you fill with water and use to wash the body
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noun
a large open vessel for holding or storing liquids
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noun
the amount that a tub will hold
a tub of water