Englishfor English speakers
ordering
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noun
(= order)
logical or comprehensible arrangement of separate elements
we shall consider these questions in the inverse order of their presentation
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noun
(= order)
the act of putting things in a sequential arrangement
there were mistakes in the ordering of items on the list
operator
Noun
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An operator is a person who operates something.
Jo is the operator of the tractor.
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An operator is a person who works on making connections for people over the telephone.
The operator was struggling to keep the line connected.