Also known as: PR$, PR., PR-
PR has various meanings in the Weather category. Discover the full forms, definitions, and usage contexts of PR in Weather.
First or foremost in time or development. The primary teeth (the baby teeth) are those that come first. Primary may also refer to symptoms or a disease to which others are secondary.A primary tumor is one that is at the original site at which it arose. For example, a primary brain tumor is one that arose in the brain as opposed to one that arose elsewhere and metastasized (spread) to the brain. The original tumor is sometimes called "the primary."
WeatherThe relative likelihood of a particular outcome among all possible outcomes.
WeatherThe normal force exerted by a homogeneous liquid or gas, per unit of area, on the wall of its container. The force applied to a unit area of surface; measured in pascals (SI unit) or in dynes (cgs unit). The force per unit area acting on a surface. A force being exerted on part of a surface. When you stand, your feet put pressure on the ground.
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