duty in Czech

(countable, uncountable) That which one is morally or legally obligated to do.

(countable) A tax placed on imports or exports; a tariff.

(engineering) The efficiency of an engine in work done per unit of fuel; particularly, the number of pounds of water which a steam pumping engine can raise one foot by burning one bushel or hundredweight of coal.

(engineering) The efficiency of an engine in work done per unit of fuel; particularly, the number of pounds of water which a steam pumping engine can raise one foot by burning one bushel or hundredweight of coal.