RIGIDITIES
Noun
rigidities
plural of rigidity
Source: Wiktionary
RIGIDITY
Ri*gid"i*ty, n. Etym: [L. rigiditas: cf. F. rigidité. See Rigid.]
1. The quality or state of being rigid; want of pliability; the
quality of resisting change of from; the amount of resistance with
which a body opposes change of form; -- opposed to flexibility,
ductility, malleability, and softness.
2. Stiffness of appearance or manner; want of ease or elegance. Sir
H. Wotton.
3. Severity; rigor. [Obs. orR.] Bp. Burnet.
Syn.
– Stiffness; rigidness; inflexibility.
Source: Webster’s Unabridged Dictionary 1913 Edition