obsolete negative regulation of histone deacetylase activity (obsolete GO:1901726)
OBSOLETE. Any process that stops, prevents or reduces the frequency, rate or extent of histone deacetylase activity.
down regulation of histone deacetylase activity
exact
down-regulation of histone deacetylase activity
exact
downregulation of histone deacetylase activity
exact
inhibition of histone deacetylase activity
narrow