Gain

Gain may refer to:

Increase of quantity

• Gain (electronics), an electronics and signal processing term
• Antenna gain
• Gain (accounting)
• Gain (information retrieval)
• Gain (laser), derivative of the logarithm of power with respect to length of propagation
• Information gain in decision trees, in mathematics and computer science

Products

• Gain (detergent)

People

• Gain (singer), a South Korean singer, actress, and entertainer
• Gain (surname), an Indian surname of Bengali origin

Music

• Gain (EP), an EP by Sadie

Acronyms

• GAIN, Generating Antibiotic Incentives Now a title of the FDA Safety and Innovation Act
• Global Alliance for Improved Nutrition (GAIN), a Swiss Foundation working in the field of malnutrition
• Global Appraisal of Individual Needs, an evidence-based addiction and mental health assessment
• Greater Avenues to Independence program, a precursor to the CalWORKs welfare program

Other uses

• Gain (projection screens)
• Gain Capital, a US-based forex trading company
• Gain (novel), a novel by American author Richard Powers
• GAIN domain, protein domain
• Primary and secondary gain, in psychology, commonly seen in somatoform disorders