(logistics) Initialism of less than truckload.

(computing) linear tape-open — an open standard computer storage tape format having a single spooled cartridge with half-inch tape. / (computing) Link-time optimization.

(Philippines) Initialism of Land Transportation Office.

Initialism of limited time only.

(Internet slang) Initialism of long time no see.

(finance) Initialism of last twelve months. / (medicine) Initialism of long-term memory.

Alternative form of LTR (left to right)

Initialism of letter to the editor. / (aeronautics) Initialism of loss of tail rotor effectiveness. (by a helicopter)

(communication, mobile) Synonym of LTE (Long Term Evolution)

(military, US, abbreviation) Lieutenant Colonel.