A concretion in the lacrimal apparatus. ... Synonym: lacrimal calculus, ophthalmolith, tear stone. ... Origin: dacryo-+ G. Lithos, stone ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973
dacryolith 1. A concretion in the lacrimal sac or duct; also, lacrimal calculus. 2. A calcific deposit within the lacrimal drainage system, usually a consequence of fungus infection. Found on http://www.wordinfo.info/words/index/info/view_unit/613/3