スポンジ状じょう

noun

sponge

Refers to a sponge as an object or material, often in technical or descriptive contexts.

• この素そ材ざいはスポンジ状じょうで、水みずをよく吸すう。

  This material is sponge-like and absorbs water well.

noun which may take the genitive case particle 'no'

spongy; spongiform

Describes a texture or structure resembling a sponge; often used with の to modify nouns.

• スポンジ状じょうのケーキはふわふわしている。

  The sponge-like cake is fluffy.