Englishfor English speakers
particular
Adjective
—
A particular thing is the one that you mean and not any other.
Usually it is not allowed, but in this particular case, it's OK.
I don't see any way to solve this particular problem.
—
A particular thing is a special or great one.
She took no particular interest in what they were saying.
—
If somebody is particular, they will accept only the best or only things that they like.
particular
Noun
—
If you talk about something in particular, you mean that more than other; especially.
It's true of many small cars, but the Honda in particular.
In particular, I'd like you to think about the first problem.
—
The particulars are the detailed information.
The two stories are quite similar, though they differ in some particulars.
We've spent a good deal of time considering the particulars of the situation.
operation
Noun
—
An operation is a medical process, often opening the human body.
The doctors performed the operation in three hours.
—
An operation is an action of a group of people working for a goal (often military).
The Army operation was a success.
—
An operation is part or all of a business. small(often plural)/small
The company's East Coast operation was bigger than its West Coast operation.
—
An operation is a symbol that is used to perform a specific operation (addition, subtraction, multiplication or division) in maths.
The plus symbol is used to perform a specific operation in maths which is addition.