固こ体たい

noun, noun which may take the genitive case particle 'no'

solid; solid body; solid-state

Refers to matter in a solid state, as opposed to liquid (液体) or gas (気体). Also used attributively with の for 'solid-state' (e.g., 固体物理学).

See also: 液体 · 気体

• 水みずは冷ひやすと固こ体たいになる。

  Water becomes a solid when cooled.