スポンジsuponji

1. nounsponge
   スポンジは水みずを吸い込すいこむ。↗

   A sponge absorbs water.

• Synonym海綿かいめんWritten海綿 denotes the sea sponge proper—the marine animal and the natural product derived from it—and has a literary tone; use スポンジ for ordinary household contexts.

Use スポンジ for everyday senses such as the kitchen sponge or foam material; reserve 海綿, marked literary, for formal or scientific writing about the sea creature itself.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 海綿動物かいめんどうぶつ。
2. 海綿動物かいめんどうぶつ、合成ごうせい樹脂じゅしなどでつくられた吸水性きゅうすいせいのある海綿かいめん質しつ繊維せんい。海綿かいめん。