6 letters · 9 points in Scrabble
noun very small free-living arachnid that is parasitic on animals or plants; related to ticks
originCirca 19th century; from New Latin Acaridae (“biological family”), from Acarus (“genus”), from acarus (“mite”), from Ancient Greek ἄκαρι (ákari, “mite”). By surface analysis, acar- + -id
Etymology from Wiktionary, CC BY-SA 3.0