someone who prepares medicines or scientific specimens
preparator in American English
(prɪˈpærətər, -ˈpɛər-)
noun
a person who prepares a specimen, as an animal, for scientific examination or exhibition
Word origin
[1755–65; ‹ LL praeparātor preparer, equiv. to praeparā(re) to prepare + -tor-tor]This word is first recorded in the period 1755–65. Other words that entered Englishat around the same time include: avalanche, caucus, keynote, lame duck, mitt-tor is a suffix found in loanwords from Latin, forming personal agent nouns from verbsand, less commonly, from nouns. Other words that use the affix -tor include: dictator, genitor, janitor, orator, victor