One who examines refuse using archaeological techniques.(noun)
A garbage collector.(noun)
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Use "garbologist" in a sentence
"Ga acts as a scientist/anthropologist/garbologist addressing human relics left on sidewalks."
"By his own design, though, WALL-E has become, over time, an endlessly curious garbologist who collects objects that strike his fancy -- an eggbeater, a sheet of bubble wrap, a Rubik's cube, a paddle-ball, a Zippo lighter, a diamond ring in a velvet box (he tosses the ring and keeps the box)."
"By his own design, though, WALL-E has become, over time, an endlessly curious garbologist who collects objects that strike his fancy -- an eggbeater, a sheet of bubble wrap, a Rubik's cube, a paddle-ball, a Zippo lighter, a brassiere (he experiments with it by putting it over his eyes) a diamond ring in a velvet box (he tosses the ring and keeps the box)."