APR

April is an abbreviation for:

Adenosine 5'- phosphosulfate reductase enzyme of the sulfur assimilation in plants, see sulfur # sulfur assimilation in plants
Adleman - Pomerance - Rumely Primality Test, Leonard Adleman, Carl Pomerance, and Robert Rumely test developed algorithm
Advanced Power Reactor Building Type of nuclear reactors
Agrarian Party, party in the Russian Federation
Rhine Action Programme of the International Commission for the Protection of the Rhine ( ICPR)
General Pennäler ring merger of Pennalen frets in Germany; Founded in 1990 in Eisenach
General right to see personal rights
General police law
Annual percentage rate, abbreviation of the financial world for Effective annual interest, see Annual Percentage Rate
Apache Portable Runtime, software library for programming network applications
Association of Commercial Broadcasters
Brügger & Thomet APR a family of sniper rifles

Apr. stands for:

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