1. Any of various techniques for the separation of complex mixtures that rely on the differential affinities of substances for a gas or liquid mobile medium and for a stationary adsorbing medium through which they pass, such as paper, gelatin, or magnesia. 
   色谱法分离复杂混合物的多种技术，依靠物质对于气体或液体运动介质和静止的吸附介质（如纸、凝胶或氧化镁）的不同亲和力达到分离
2. To become a gel. 
   凝为胶体
3. a colloidal preparation of protein (albumin or gelatin) and silver oxide; used in aqueous solution as an antibacterial agent. 
   蛋白质（白蛋白或凝胶）和氧化银的胶状制剂，用于水成溶液中作抗菌剂。
4. A substance, such as magnesia or sodium bicarbonate, that neutralizes acid. 
   解酸剂，抗酸剂，防酸剂一种中和酸的物质，如氧化镁或碳酸氢钠
5. a milky white liquid suspension of magnesium hydroxide; used as a laxative and antacid. 
   氢氧化镁中的一种奶白色的液体悬浮物；用来放松和抗酸的药剂。

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