plen Noun, n, plen plenum Appox. usage (any sense): 0.102 per million words Appox. usage (any sense): 0.102 per million words
plenum Noun, n, plenum definition not found for this word Appox. usage (any sense): less than 0.1 per million words Appox. usage (any sense): less than 0.1 per million words