(analytical chemistry) A form of chromatography in which the solid phase is silica gel or a similar inert material supported on a glass plate.

(analytical chemistry) Alternative spelling of thin-layer chromatography

(meteorology) The portion of the atmosphere lying next to the surface of the earth and extending up to between 50 and 100 meters.

(computing, humorous) The user.

plural of surface boundary layer

A cake consisting of seven thin layers of baked batter interlaced with seven layers of frosting.

An American salad dish containing layers of vegetables and other ingredients.

An American appetizer containing layers of ingredients typical of Tex-Mex cuisine.

Synonym of dual federalism

plural of seven-layer cake