Definition of communisms:
(n) :
Any far-left political ideology or philosophy advocating holding the production of resources collectively, especially by seizing it through revolution.
(n) :
Any political social system that implements a communist political philosophy.
(n) :
The international socialist society where classes, money, and the state no longer exist.
(n) :
(chiefly Western, often derogatory, colloquial) Any left-wing ideology, government regulations, or policies promoting a welfare state, nationalisation, etc.
(n) :
(rare) communality, sharedness.
(n) :
(rare) Readiness to share scientific findings (the first of the Mertonian norms).