Medical Dictionary
fastidious
adj fas·tid·i·ous \fa-ˈstid-ē-əs, fə-\
Medical Definition of FASTIDIOUS
: having complex nutritional requirements <fastidious microorganisms>—used of bacteria that grow only in specially fortified artificial culture media
Seen & Heard
What made you want to look up fastidious? Please tell us where you read or heard it (including the quote, if possible).