Wordnet 3.0
NOUN (1)
1.
the quality of filling or spreading throughout;
- Example: "the pervasiveness of the odor of cabbage in tenement hallways"
The Collaborative International Dictionary of English v.0.48:
pervasiveness \pervasiveness\ n.
The quality of filling or spreading throughout; as, the
pervasiveness of the odor of cabbage in tenement hallways.
[WordNet 1.5]
WordNet (r) 3.0 (2006):
pervasiveness
n 1: the quality of filling or spreading throughout; "the
pervasiveness of the odor of cabbage in tenement hallways"