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add to perform the mathematical operation of addition. [1/5 definitions]
addition the arithmetic operation of finding the total of two or more numbers. [1/3 definitions]
develop to bring into being or operation; generate. [2/7 definitions]
dispense to carry out or put into operation. [1/2 definitions]
division the arithmetic operation that finds how many times one number contains another. [1/6 definitions]
effect to bring into operation; cause to happen. [1/4 definitions]
effective in operation. [1/2 definitions]
in effect in active operation.
institute to bring into being or set in operation. [1/4 definitions]
mental of or having to do with the operation of the mind. [1/3 definitions]
monitor a device for collecting information about the use, operation, or condition of something. [1/5 definitions]
multiplication an arithmetic operation that combines two numbers to give one number, called a product. [1/2 definitions]
observe When you observe, you watch something closely but don't take part in it. When a doctor does an operation, sometimes other doctors or students observe. [1/6 definitions]
off so as to interrupt or stop operation. [1/13 definitions]
on into operation or process. [1/20 definitions]
operation If you learn about the operation of something, you learn how it works. When a machine is running, we can say it is in operation. [4 definitions]
perform When someone performs something, they do it. When a doctor performs an operation, it means that the doctor does an operation. If you perform an experiment, you do an experiment. When you perform something, you carry it out. [1/4 definitions]
performance If we talk about the performance of a task, we mean the doing of a task. The performance of a dance is the doing of a dance. The performance of an operation is the doing of an operation. [1/3 definitions]
run to manage or keep in operation. [1/30 definitions]
set to position for proper operation. [1/19 definitions]
set up to ready for use or operation by assembling or arranging the parts. [1/2 definitions]