An act of performing surgery may be called a surgical procedure, operation, or simply surgery. In this context, the verb operate means to perform surgery. The adjective surgical means pertaining to surgery; e.g. surgical instruments or surgical nurse.
My definition: Pro rata, when it comes to jobs, generally refers to pay. Say the salary is '$40,000 per annum-pro rata', it will mean that if you only work part time, you get part of the pay.A standard week is (about) 40 hours, so the pay for 20 hours will be $20,000 per annum.y definition: Pro rata, when it comes to jobs, generally refers to pay. Say the salary is '$40,000 per annum-pro rata', it will mean that if you only work part time, you get part of the pay.
Pro Rata. Describing a distribution according to some proportion. For example, a salary may be stated as $120,000 per year pro rata. This means that if an employee only works for six months, his/her salary will be $60,000. Likewise, dividends are distributed pro rata, meaning that shareholders receive them according to the proportion of shares that they own.