Definition of sealcoating in US English:
 sealcoating
nounˈsēlˌkōdiNGˈsēlˌkōdiNG
The application of a sealing coat to a paved surface in order to prolong its integrity.
 Example sentencesExamples
-  If the man at your door doesn't have a tank that's actively mixing the sealcoating material, send him on his way.
 -  To understand how sealcoating works, it is necessary to understand the nature of the asphalt pavement itself.
 -  During the sealcoating process pea gravel is embedded in an oil emulsion to create the new wearing surface.
 
Derivatives
  
verb
 How long until I can drive on my driveway which was sealcoated today?
 Example sentencesExamples
-  Our lot was sealcoated last year, is in good shape, but doesn't have the real bright look like it did when it was first sealed.
 -  He stated that the parking lot was asphalt and a few years ago they sealcoated it.