noun · A porous, granular, amorphous form of silica used as a desiccant to absorb moisture.

鞋盒裡通常會放一小包矽膠乾燥劑。

noun · A synthetic elastomer made from silicone, used in products like seals, tubing, and heat-resistant kitchenware.

這種矽膠廚具既耐高溫又容易清洗。