préparateur
noun
pré·pa·ra·teur
¦prepərə¦tər(‧)
plural -s
: a laboratory assistant
turned the cucumber over to my préparateur and began on my fish
William Beebe
William Beebe
Word History
Etymology
French, literally, one that prepares, from Late Latin praeparator, from Latin praeparatus (past participle of praeparare to prepare) + -or