1. microtome - Noun
2. microtome - Verb
An instrument for making very thin sections for microscopical examination.
Source: Webster's dictionaryThe tissue is then placed in paraffin wax for a number of hours and then set in a mold with wax to cool and solidify; sections are cut then on a microtome. Source: Internet
Cryosectioning main Fixed or unfixed tissue may be frozen and sliced using a microtome mounted in a refrigeration device known as a cryostat. Source: Internet