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operator
[ op-uh-rey-ter ]
/ ËÉp ÉËreÉȘ tÉr /
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noun
QUIZ
THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?
Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.
Question 1 of 7
In the UK, COTTON CANDY is more commonly known asâŠ
Origin of operator
OTHER WORDS FROM operator
pre·op·er·a·tor, nounself-op·er·a·tor, nounWords nearby operator
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use operator in a sentence
British Dictionary definitions for operator
operator
/ (ËÉpÉËreÉȘtÉ) /
noun
a person who operates a machine, instrument, etc, esp, a person who makes connections on a telephone switchboard or at an exchange
a person who owns or operates an industrial or commercial establishment
a speculator, esp one who operates on currency or stock markets
informal a person who manipulates affairs and other people
maths any symbol, term, letter, etc, used to indicate or express a specific operation or process, such as Î (the differential operator)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for operator
operator
[ ĆpâČÉ-rÄâČtÉr ]
Mathematics A function, especially one from a set to itself, such as differentiation of a differentiable function or rotation of a vector. In quantum mechanics, measurable quantities of a physical system, such as position and momentum, are related to unique operators applied to the wave equation describing the system.
A logical operator.
Genetics A segment of chromosomal DNA that regulates the activity of the structural genes of an operon by interacting with a specific repressor.
The American HeritageÂź Science Dictionary
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