rioters is a form of:

Solidity



noun
1.
(1. The condition or property of being solid. 2. Soundness of mind, moral character, or finances) ភាពមាំ ឪជាប់រឺរឹង, សាមគ្គី, ទៅមក, កាតព្វកិច្ចរួមគ្នា, solidity of a substance ភាពរឹង, solidity of support ភាពប្រាកដ ប្រជា
2.
(បច្ចេកទេស) ភាពរឹងមាំ
ENGLISH MEANING
noun
1.
The state or quality of being solid; density; consistency, -- opposed to fluidity; compactness; fullness of matter, -- opposed to openness or hollowness; strength; soundness, -- opposed to weakness or instability; the primary quality or affection of matter by which its particles exclude or resist all others; hardness; massiveness.
2.
Moral firmness; soundness; strength; validity; truth; certainty; -- as opposed to weakness or fallaciousness; as, the solidity of arguments or reasoning; the solidity of principles, triuths, or opinions.
3.
The solid contents of a body; volume; amount of inclosed space.