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Definition of beaker

beaker

/ˈbiːkər/
bea · ker
Plural:beakers
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beaker Lexical Profile

beaker Game Scores & Validity

• noun

1

A cylindrical glass or plastic vessel with a flat bottom and a small pouring lip, used extensively in laboratories for holding, mixing, and heating liquids.

Example

"The chemistry student carefully poured the acidic solution from the test tube into a large glass beaker."

2

British A large drinking cup with a wide mouth and typically no handle, often made of plastic or historical materials like silver.

Example

"She handed the toddler a plastic beaker filled with apple juice."

Synonyms
View all synonyms for beaker

• Rhymes for beaker

• Nearby Words

beaded lizard
beagle
beaked sea snake
beaker
bean
bean sprout
beanbag

Word Origin & Etymology

From Middle English beker, via Old Norse bikarr and Old Saxon bikeri, ultimately deriving from Medieval Latin bicarium (a wine cup), which is likely a diminutive of Greek bikos (an earthen wine vessel).

Cite this Entry

Wordmom. (2026). Definition of Beaker. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/beaker
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