just a tip, go on G00gle and search "word reference french/whatever language you want conjugation (then the verb you want to conjugate)" and it will come up
the website conjugates like every verb for you in lots of tenses
Microbiología = Micro + biología
Micro = pequeño, diminuto.
Biología = Tratado de los seres vivos.
Entonces:
Microbiología = Tratado de los seres vivos diminutos.