diff --git a/dpbo.obo b/dpbo.obo
index 538dbd5..5cd09d4 100644
--- a/dpbo.obo
+++ b/dpbo.obo
@@ -999,6 +999,11 @@ id: DPBO:0000099
 name: antibiotic concentration
 def: "Concentration of an antibiotic that was added to a growth medium." []
 
+[Term]
+id: DPBO:0000100
+name: growth time
+def: "Duration of a bacterial cultivation." []
+
 [Term]
 id: DPBO:0002000
 name: alias