covertadditive
nounUK /ˈkʌvət ˈædɪtɪv/
US /ˈkoʊvərt ˈædɪtɪv/
A secret thing added to food or drink that you cannot see.
The label did not list the covertadditive used in the juice.
RELATED WORDS
OTHER MEANINGS
2. A hidden extra part mixed into a mixture without telling anyone.
The scientist found a covertadditive in the sample.
3. A sneaky addition to a plan or deal that is not openly stated.
The contract had a covertadditive that raised the price later.
4. Something added in secret to change how a thing looks or works.
A covertadditive made the paint dry faster than expected.