Make more dense (7)
I believe the answer is:
thicken
(Other definitions for thicken that I've seen before include "get fatter?" , "Make more viscous" , "Become more viscous" , "Make dense" , "Clot" .)
I believe the answer is:
thicken
(Other definitions for thicken that I've seen before include "get fatter?" , "Make more viscous" , "Become more viscous" , "Make dense" , "Clot" .)