- lithiumThe simplest alkali metal, the lightest solid element, and the third lightest chemical element (symbol Li) with an atomic number of 3 and atomic weight of 6.94. It is a soft, silvery metal.
- lithiaLithium oxide, Li₂O, used in the manufacture of ceramics and glass.
- megalithA large stone slab making up a prehistoric monument, or part of such a monument.
- nephriteA semi-precious stone, one of the two types of stone commonly referred to as jade (the other being jadeite).
- areniliticOf or pertaining to sandstone.
- balipholiteAn orthorhombic-dipyramidal mineral containing aluminum, barium, fluorine, hydrogen, lithium, magnesium, oxygen, and silicon.
- ijoliteA rare igneous rock consisting essentially of nepheline and augite.
- khmaraliteA monoclinic-prismatic very dark green mineral containing aluminum, beryllium, iron, magnesium, oxygen, and silicon.
- kozuliteA monoclinic-prismatic mineral containing aluminum, hydrogen, iron, manganese, oxygen, silicon, and sodium.
- -liteUsed to form the names of rocks and minerals.
- lithectasyThe extraction of calculi through the mechanically dilated urethra.
- lithopedionA calcium-encased foetus that occurs in ectopic abdominal pregnancies when the foetus dies and is not reabsorbed by the maternal body, whereby the maternal system encases the foreign body (foetus) in calcium to isolate it.
- LithosianAny of various moths once grouped in the former family Lithosiidae, now mostly classified in the subfamily Arctiinae of family Erebidae.
- lithotecnonThe true form of a lithopedion, in which the fetus itself is calcified.