とけいざら
時計皿
1. watch glass
2. Watch glassA watch glass is a circular, slightly convex-concave piece of glass used in chemistry as a surface to evaporate a liquid, to hold solids while being weighed, or as a cover for a beaker. The latter use is generally applied to prevent dust or other particles entering the beaker; the watch glass does not completely seal the beaker, and so gas exchanges still occur.
Read “Watch glass” on English Wikipedia
Read “時計皿” on Japanese Wikipedia
Read “Watch glass” on DBpedia
Read “Watch glass” on English Wikipedia
Read “時計皿” on Japanese Wikipedia
Read “Watch glass” on DBpedia
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