n. 1. The state or quality of being lapidescent. [ 1913 Webster ]

2. A hardening into a stone substance. [ 1913 Webster ]

3. A stony concretion. Sir T. Browne. [ 1913 Webster ]

a. [ L. lapidescens, p. pr. of lapidescere to become stone, fr. lapis, -idis, stone: cf. F. lapidescent. ] Undergoing the process of becoming stone; having the capacity of being converted into stone; having the quality of petrifying bodies. [ 1913 Webster ]

n. Any substance which has the quality of petrifying other bodies, or of converting or being converted into stone. [ 1913 Webster ]