preincubate

pre·in·cu·bate

vt \-ˈiŋ-kyə-ˌbāt, -ˈin-\

pre·in·cu·bat·edpre·in·cu·bat·ing

Definition of PREINCUBATE

: to incubate (as a cell or a culture) prior to a treatment or process <red cells were preincubated with cholinergic ligands—D. P. Richman et al>