Hi, what is the difference between "window size" and "window's size". What is the correct way to say that the size of the window is for example 1,5 x 1,5m?
Both are OK, no real difference. 5m. Note that we write a decimal point as a period, not a comma.
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Both are OK, no real difference.
But I usually say eg The window is 1.5m x 1.5m.
Note that we write a decimal point as a period, not a comma.
ukarz"window size" and "window's size"
The general practice is to use the possessive form ('s) in only a few contexts, such as when the first word represents a person or an amount of time (John's bicycle, a day's work), and to use the plain form in other cases (daytime temperature, computer screen).
CJ