• noun:   the amount by which the revenue of a business exceeds its cost of operating
• noun:   the amount of increase in signal power or voltage or current expressed as the ratio of output to input
• noun:   the advantageous quality of being beneficial
• noun:   a quantity that is added

  Example: "They recorded the cattle's gain in weight over a period of weeks"

• verb:   earn on some commercial or business transaction; earn as salary or wages
• verb:   increase (one's body weight)

  Example: "She gained 20 pounds when she stopped exercising"

• verb:   obtain advantages, such as points, etc.

  Example: "The home team was gaining ground"

• verb:   increase in

  Example: "Gain momentum"

• verb:   derive a benefit from
• verb:   obtain
• verb:   rise in rate or price

  Example: "The stock market gained 24 points today"

• verb:   win something through one's efforts

  Example: "Gain an understanding of international finance"

• verb:   reach a destination, either real or abstract
• name:  A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #12628)

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