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bacteriostat

American  
[bak-teer-ee-uh-stat] / bækˈtɪər i əˌstæt /

noun

  1. a substance or preparation that inhibits the further growth of bacteria.


bacteriostat British  
/ bækˈtɪərɪəʊˌstæt /

noun

  1. any substance that arrests the growth or reproduction of bacteria but does not kill them

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of bacteriostat

First recorded in 1915–20; bacterio- + -stat