Lysimeter, lī-sim′e-tėr, n. an instrument for measuring the rate of percolation of rain through a soil.
Lysis, lī′sis, n. the gradual abatement of a disease, as distinguished from crisis: (archit.) a plinth or step above the cornice of the podium in an ancient temple. [Gr.]
Lyssa, lis′a, n. hydrophobia. [Gr.]
Lyterian, lī-tē′ri-an, adj. terminating a disease. [Gr.]
Lythe, līth, adj. (Spens.) pliant, flexible. [Lithe.]
Lytta, lit′a, n. a longitudinal vermiform cartilaginous or fibrous band on the under surface of the tongue in carnivores—the 'worm' of a dog's tongue. [Gr.]
the thirteenth letter of the alphabet, belonging to the labio-nasal class of consonants. M=1000; M=1,000,000.—M-roof, a roof formed by the junction of two common roofs, so that its end is like the letter M.