Also known as: fr.
FR has various meanings in the Scientific & Educational category. Discover the full forms, definitions, and usage contexts of FR in Scientific & Educational.
Symbol:"Fr" Atomic Number:"87" Atomic Mass: (223)amu. One of the alkali metal family. Francium is the heaviest of the alkali metals and is extremely rare in nature. It can be created in a lab and acts like cesium.
Scientific & EducationalA boundary between two different air masses. The difference between two air masses sometimes is unnoticeable. But when the colliding air masses have very different temperatures and amounts of water in them, turbulent weather can erupt. The boundary between two air masses.
Scientific & EducationalThe male parent. One who originates. For example, "Wilhelm Roentgen is considered the father of radiology." To produce offspring as a male. To provide paternal protection and guidance to children.
Scientific & EducationalA daily government publication that publishes proposed changes in agency rules and regulations. It also includes other government actions such as presidential proclamations and a monthly notice of changes in existing rules and regulations.
Scientific & EducationalA chemical used in farming to kill funguses which inhibit plant growth.
Scientific & EducationalTemporary structure erected to contain concrete during placing and initial hardening.
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