Ascent++ | harden over time

Assertion list for term "harden over time".

Results from Ascent++: 4

fontanelle → CapableOf → harden over time	0.56
implant → CapableOf → harden over time	0.25
silicone → CapableOf → harden over time	0.20
rubber → CapableOf → harden over time	0.16