Definition of stalagmite noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈstæləɡmaɪt//
; NAmE NAmE//stəˈlæɡmaɪt//
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a piece of rock pointing upwards from the floor of a cave (= a hollow place underground), that is formed over a long period of time from drops of water containing lime that fall from the roof Word Originlate 17th cent.: from modern Latin stalagmites, from Greek stalagma ‘a drop’, based on stalassein ‘to drip’.
See the Oxford Advanced American Dictionary entry: stalagmite