A period of feminist activity that began in the early 1960s in the United States and broadened the gender equality debate to include family, the workplace, reproductive rights, etc.

plural of second-growth forest

(uncommon) Alternative form of second-to-last

(uncommon) Alternative form of second to last

(slang) To get as far as feeling up in sexual advances.

A formal system which extends first-order logic by allowing quantification over relations between members of the universe.

plural of frame per second

Any rule that prescribes or proscribes behavior in a three-second interval, especially

Any rule that prescribes or proscribes behavior during a ten-second interval, especially:

A rapid and severe brain swelling caused by a second concussion before a first has sufficiently healed, such as may occur after suffering two concussions during the same sports match. It has catastrophic results and may cause death or permanent disability.