fixative
n[C, U]
1 substance used for fixing (fix1 9) photographic film, dye, etc, or for preventing perfume from evaporating too quickly 定影劑; 固色劑; 防(香料)揮發劑.
2 substance used for sticking things together or keeping things in position, esp false teeth or hair 固定劑(尤指粘假牙或假發的)
Dentures require a strong fixative. 粘假牙需用強力固定劑.