1. a cylindrical glass container with a pouring lip, used in laboratories for mixing and heating liquids
Usage: scientific
2. a large drinking cup or mug, typically made of plastic or metal

Examples

• The chemistry student heated the solution in a glass beaker.
• She poured the chemical mixture from one beaker to another.
• The lab table was covered with beakers and test tubes.
• He measured 250 milliliters of water in the beaker.
• The child drank juice from a colorful plastic beaker.
• The camping beaker was made of lightweight aluminum.
• She stirred the contents of the beaker with a glass rod.