There is no difference in meaning between the two terms.
Thus it is not possible, within the system, to distinguish between the two terms.
New Zealand schools have a 4-term year, of about ten weeks each and usually with a two week holiday between terms.
A distinction between the two terms is not always observed, even among scientists.
Historically, though, there is a subtle difference between the two terms.
However, no definite connection can be established between such terms.
There is a slight difference in usage between the two terms.
In addition, you might also take the time to explain the difference between the terms, "mass" and "weight."
There is no real etymological difference between the two terms.
The difference between cash, real and volume terms is illustrated in Figure 4.1.