bi ‧ o ‧ tech ‧ nol ‧ o ‧ gy /ˌbaɪəʊtekˈnɒlədʒi $ ˌbaɪoʊtekˈnɑː-/ BrE AmE ( also bi‧o‧tech /ˈbaɪəʊtek $ ˈbaɪoʊ-/ informal ) noun [uncountable]
the use of living things such as cells, ↑ bacteria etc to make drugs, destroy waste matter etc:
the biotech industries
—biotechnological /ˌbaɪəʊteknəˈlɒdʒɪk ə l $ ˌbaɪoʊteknəˈlɑː-/ adjective