Search Result for "blacktopping": 
Wordnet 3.0

NOUN (1)

1. a black bituminous material used for paving roads or other areas; usually spread over crushed rock;
[syn: blacktop, blacktopping]



WordNet (r) 3.0 (2006):

blacktopping
    n 1: a black bituminous material used for paving roads or other
         areas; usually spread over crushed rock [syn: blacktop,
         blacktopping]