noun

• (uncountable) Initialism of tender loving care. [Considerate and compassionate care, especially as given by nurses when no other treatment is of use.]
• (uncountable, analytical chemistry) Initialism of thin-layer chromatography. [(analytical chemistry) A form of chromatography in which the solid phase is silica gel or a similar inert material supported on a glass plate.]
• (uncountable, business, engineering) Initialism of technology life cycle.
• (countable, electronics) Initialism of triple-level cell.
• (hematology) Initialism of total leukocyte count.
• Initialism of The Learning Channel, a U.S. television channel owned by Discovery Communications.