定義 / Definition
[adjective]
・firm or hard : not having the form of a gas or liquid
・having three dimensions.
・not hollow or containing spaces or gaps.
・dependable; reliable.
・on good terms with.
[noun]
・a substance or object that is solid rather than liquid or fluid.
— その他 例文 —
Solids turn into liquids when heated.
温めると固体は液体になる
Granny cannot get down solid food.
おばあちゃんは固形食を飲み下すことができない。