(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

(geology) a large body of igneous rock within which distinct stratification continues over many miles

Formed of layers.

simple past tense and past participle of layer

(tanning) A pit in which hides are stored. / (Canada, US) The system of accepting a deposit and holding for a customer to complete purchase. / (Canada, US) An item which has been held in this way.

To place items on hold with a deposit at a merchant's.

A woman who is a layperson, one who has not taken a religious oath (such as becoming a nun). / (by extension) A woman who is not a professional in a given field.

A break between stages of a journey.

A structure made up of layers. / A method of plant propagation by rooting cuttings.