Englishfor English speakers
mathematical
Adjective
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If something is mathematical, it is of or relating to mathematics.
In the early 1960s, there were not many papers on purely mathematical descriptions of molecules.
Germany has a mathematical chance of winning the championships, as they need to win six more matches.
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.