An obsolete term for any disease caused by the now invalid genus Leptothrix. ... (05 Mar 2000) ... 
Type: Term Pronunciation: lep′tō-thri-kō′sis Definitions: 1. Obsolete term for any disease caused by the now invalid genus Leptothrix.
leptothricosis An obsolete term for any disease caused by the now invalid genus Leptothrix (a genus of bacteria, characterised by having their filaments very long, slender, and indistinctly articulated).