negative regulation of heart contraction
down regulation of heart contraction
exact
down-regulation of heart contraction
exact
downregulation of heart contraction
exact
inhibition of heart contraction
narrow
negative regulation of cardiac contraction
related
Any process that stops, prevents, or reduces the frequency, rate or extent of heart contraction.
GO:0008016
regulation of heart contraction
is_a
GO:1903523
negative regulation of blood circulation
is_a
GO:0060047
heart contraction
negatively_regulates