A responsibility, onus.
A phrase or theme that recurs at the end of each verse in a folk song or ballad.
The proportion of ore and flux to fuel, in the charge of a blast furnace.
The capacity of a vessel, or the weight of cargo that she will carry.
The tops or heads of stream-work which lie over the stream of tin.
A fixed quantity of certain commodities.
Theme, core idea.
The drone of a bagpipe.
A cause of worry; that which is grievous, wearisome, or oppressive.
The total amount of toxins, parasites, cancer cells, plaque or similar present in an organism.
A heavy load.
To impose, as a load or burden; to lay or place as a burden (something heavy or objectionable).
To encumber with a literal or figurative burden.
A requirement.
An urgent request.
The desire to purchase goods and services.
An order.
The amount of a good or service that consumers are willing to buy at a particular price.
A forceful claim for something.
More precisely peak demand or peak load, a measure of the maximum power load of a utility's customer over a short period of time; the power load integrated over a specified time interval.
To require of someone.
To claim a right to something.
To ask forcefully for information.
To request forcefully.
To issue a summons to court.