search and rescue; operations to locate and save people

synthetic-aperture radar; imaging radar using motion to enlarge aperture

Saudi Arabian riyal; the ISO 4217 currency code for Saudi Arabia

special administrative region; a territory with a separate administrative system

suspicious activity report; filing to authorities about potential financial crime

special administration regime; UK legal process for managing failing critical firms

systemic acquired resistance; whole-plant immune response after local infection

subject access request; request to an organization for one’s personal data

structure–activity relationship; link between molecular structure and biological activity

sodium adsorption ratio; measure of sodium hazard in irrigation water