thickening
noun
[ ˈθɪk(ə)nɪŋ ]
• the process or result of becoming broader, deeper, or denser.
• "where two continents collide, some crustal thickening occurs"
• another term for thickener.
thickening
adjective
• becoming broader, deeper, or denser.
• "a hazardous journey through thickening fog"
thicken
verb
• make or become thick or thicker.
• "thicken the sauce with flour"
Similar:
become thick/thicker,
stiffen,
become firmer,
condense,
become more concentrated,
solidify,
set,
gel,
congeal,
clot,
coagulate,
cake,
inspissate,
gelatinize,