watch glass
Timepiece face protector
A watch glass is a shallow, circular piece of concave glass used in laboratories to hold small amounts of liquid or solid samples, cover beakers during evaporation, or weigh substances.
The name comes from its resemblance to the curved glass covering a watch face.
She placed the crystals on a watch glass to dry.
Laboratory measuring container
- flaskPortable liquid container
- pipetteGraduated liquid transfer tube
- buretteCalibrated tube for titration
- petri dishLidded laboratory culture container
test tube · graduated cylinder · Erlenmeyer flask · crucible · tongs · stirring rod · funnel · spatula
beaker
Laboratory measuring container
- flaskPortable liquid container
- pipetteGraduated liquid transfer tube
- buretteCalibrated tube for titration
petri dish · test tube · graduated cylinder · Erlenmeyer flask · crucible · tongs · stirring rod · funnel · spatula · dropper
convex
Curved outward externally
lens · arc · contour · curvature · spherical · rounded · depression · shallow · circular · diameter
lid
Removable container cover
- protectionGuarding against harm
- capCovering for top
- sealAuthentication stamp or mark
shield · crystal · dome · enclosure · face · barrier · screen · overlay · casing · housing
- lab containersbeaker, test tube, flask, vial, petri dish
- lab equipmentmicroscope, microscopes, beaker, beakers, test tube
- watcheswristwatch, chronograph, smartwatch, stopwatch
- Lab Instrumentsspectrometer, spectrophotometer, chromatograph, mass spectrometer, microscope
- watch repairmainspring, balance wheel, escapement, ultrasonic cleaning, oiling
watch glasswatch movement
Internal timekeeping mechanism
movement · clockwork · mainspring · escapement · balance wheel
watch glassbeaker
Laboratory measuring container
flask · test tube · Erlenmeyer flask · graduated cylinder · retort
watch, glass, watches, watched, watching, watcher, watchers, watchful, watchfully