- logical operator
- logical page identifier
- logical operation
- logical multiply
- logical analyzer
- logical child segment
- loop transmission frame
- length of manubrium sterni
- lepromin
- low order digit
- loop computing
- loop control statement
- lit. none ahead and none behind —to have no kith and kin
- leave to the mercies of
- lean and thin
- louis le hutin
- louis pasteur
- learn lesson
- leveler
- lymphadenopathy
- lit. to dust off—to dust off the humiliation of defeat
- lit. to make no distinction between day and night
- loverly
- longitudinal_caranio facial index
- line counter
- level of anaesthesia
- lechatelierite
- lubricant
- leery
- linctus
- leftovers
- leukosarcoma
- leukopoietic cell
- lotus flower
- lichen
- like white color
- laryngeal saccule
- loch ness
- livonian_speaking
- lipomatosis
- lecturaris
- lord indra—the king of gods
- lice
- louse up
- lying in woman
- lewd (woman)
- lockout
- lie down
- land up in
- luxury loving woman