It is not microwaveable.
A "petri dish"
A petri dish is a round, shallow glass container with a glass lid. See the link below for pictures of petri dishes.
A petri dish is a tool, not a math function. It is a shallow glass or plastic cylindrical lidded dish that biologists use to culture cells.
Petri dish
It is a shallow straight sided glass dish into which a specimen is placed. Frequently they may be filled with a nutritious gel called "agar" and used to culture bacteria. In this case the dish will be provided with a cover.
tyreen
Nothing will make a glass dish shrink. ( Are you experiencing any other strange things.)
tyreen
Plate,meal,serving
It's a Japanese dish.
a small dish
glass.
A "petri dish"
china dish is used in laboratoriesto keep solid substances
It is call plate.
Glass in its solid state is an insulator of electricity.
sushi