From sander + dust. <span class="searchmatch">sanderdust</span> (uncountable) The fine particles of wood created by sanding, typically finer than sawdust. 1996, Ann Chambers, Susan D...
for dust organic dust toxic syndrome overdust pixie dust return to dust <span class="searchmatch">sanderdust</span> sawdust shake off the dust from one's feet shake the dust from one's feet...