The referenced instance may be defined before or after the current instance.

His writing implies that crates were defined before that time.

This led to the observation that, for general production sets, embodied labor time cannot be defined before one knows equilibrium prices.

It can also be defined as television before the watershed, and therefore is subject to censorship.

However, as the format of the article has been defined before printing this process is very much easier than the traditional methods.

The above example assumes that the function has already been defined before the call to is made.

It has defined "short term" as anything before the year 2010.

Preterm was defined as birth before 37 weeks of gestation.

Pascal requires that procedures be declared or fully defined before use.

Wars have defined human history since before the time of Thucydides.