say it: FAH-loh-uhp
follow-up is a noun meaning "a piece of work that exploits or builds on earlier work". It carries 3 recorded senses.
a subsequent examination of a patient for the purpose of monitoring earlier treatment
Definitions, synonyms and semantic relations for follow-up come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.