a substance that is used to prevent colours or smells from changing or becoming weaker, for example in photography, art or the making of perfume 定影剂;固色剂;防(香味)挥发剂 a substance used to preserve biological material, for example before examining it under a microscope 定影剂;固色剂;防(香味)挥发剂 an alcoholic fixative 一种含酒精的稳定剂
a substance that is used to stick things together or keep things in position 固定剂