Dust traps are fixtures or surfaces that tend to collect or accumulate dust particles over time. There are several synonyms or alternative expressions that can be used to describe such areas or items. One common term is "dust magnet," which implies that the object attracts dust particles as a magnet would draw in metal. Another synonym for dust trap is "dust collector," which highlights the function of the object or area in accumulating dust. Other related terms include "dust reservoir," "dust repository," "dust repository," and "dust depository." In any case, it's important to identify and clean dust traps regularly to maintain a healthy and hygienic environment.