buildup
/ˈbɪldʌp/ noun C1- An accumulation; an increase; a gradual development. · Snow buildup on roads makes for hazardous driving.· There was a buildup of pressure in the boiler.
- The construction of a composite core to repair a damaged tooth.
Plural buildups
Learn buildup in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.