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colloidal

/kuh-loid-l/US // kəˈlɔɪd l //UK // (ˌkɒˈlɔɪdəl) //

胶体,胶状物,胶质,胶体的

Definitions

adj.形容词 adjective
  1. 1

    Physical Chemistry.

    • : pertaining to or of the nature of a colloid: colloidal gold and silver.

Examples

  • Scammers are peddling fake remedies ranging from colloidal silver to cow manure.

  • Graham considered "colloidal silicic acid a liquid miscible with water in all proportions."

  • Colloidal platinum in water is negative, in a mixture of water and alcohol, positive.

  • Colloidal preparations of platinum, silver and many other metals may be prepared in the same way.

  • Other varieties of heterogeneous colloidal mixtures are tabulated by Wo.

  • Thus, colloidal As2S3, carrying a negative charge, is precipitated by the positive ions of added electrolytes.