rubber stopper
Bouncy bottle cork
A rubber stopper is a plug made of rubber used to seal containers, especially in laboratory settings.
Stoppers come in various sizes and may have holes for inserting tubes or thermometers.
The material creates an airtight seal while remaining easy to remove: She inserted the rubber stopper into the flask before shaking it.
- bungWooden barrel seal
- plugSomething that blocks openings
- sealAuthentication stamp or mark
- airtight sealImpermeable boundary preventing airflow
- flaskPortable liquid container
laboratory · lab equipment · airtight · bottle · beaker · gasket · silicone · test tube · test tube rack · chemistry · watertight · cap · closure · neoprene · squeeze · compress · snug · snug fit
- rubberlatex, neoprene, polyurethane, polyisoprene, tire
- bathroom itemstowels, hand soap, tissues, mirror, lotion
- lids and capslid, top, cap, bottle cap, screw cap
- stopperscork, plug, bung, bath plug, drain plug
- lab equipmentmicroscope, microscopes, beaker, beakers, test tube
rubber, stopper, rubbers, rubbery, rubberize, rubberized, rubberizing, stop, stops