duty chemist

We could not find the full phrase you were looking for.
The entry for 'duty' is displayed below.

Also see: chemist

Concise Oxford English Dictionary © 2008 Oxford University Press:
duty/ˈdjuːti/

▶noun (pl. duties)

• 1 a moral or legal obligation.

• 2 a task required as part of one's job.

  ■ (duties) performance of prescribed church services by a priest or minister.

• 3 a payment levied on the import, export, manufacture, or sale of goods.

  ■ Brit. a payment levied on the transfer of property, for licences, and for the legal recognition of documents.

• 4 technical the measure of an engine's effectiveness in units of work done per unit of fuel.

– phrases
do duty as (or for) serve or act as a substitute for.
on (or off) duty engaged (or not engaged) in one's regular work.

– origin ME: from Anglo-Norman Fr. duete, from OFr. deu (see due).