AR Scientific & Educational Abbreviation

Argon

Argon is a chemical element with symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble or inert gas. Argon is the third most common gas in the Earth's atmosphere, at 0.93% (9,300 ppm). 

Autosomal Recessive

Autosomal recessive is one of several ways that a trait, disorder, or disease can be passed down through families. An autosomal recessive disorder means two copies of an abnormal gene must be present in order for the disease or trait to develop.

Active Region

Androgen Receptor

Acrosome Reaction

Adaptive Response

Antimicrobial Resistance

Antimicrobial resistance threatens the effective prevention and treatment of an ever-increasing range of infections caused by bacteria, parasites, viruses and fungi.

Architecture

Architecture is both the process and the product of planning, designing, and constructing buildings and other physical structures.

Atmospheric Research