a. [f. STALACTITE + -(I)FORM.] Having the form of a stalactite.
1839. De la Beche, Rep. Geol. Cornwall, etc. ix. 262. The siliceous matter having infiltrated while in solution into cavities, and being there deposited in a stalactiform manner.
1853. Th. Ross, trans. Humboldts Trav., III. xxix. 168. Stalactiform chalcedonies.