Answer: OILPAINT

AnswerCrossword Clue
OILPAINTArtist's medium
OILPAINTArtist's application
OILPAINTArtist's purchase.
OILPAINTCanvas cover
OILPAINTOld master's medium
OILPAINTMedium in a tube
OILPAINTCanvas coat
OILPAINTPrimer cover, possibly
OILPAINTMaster's medium
OILPAINTCanvas application