doubling

(noun) increase by a factor of two. Example: "Doubling with a computer took no time at all."

(noun) raising the stakes in a card game by a factor of 2. Synonyms: double. Example: "I decided his double was a bluff."

(verb) increase twofold. Synonyms: double, duplicate. Example: "The population doubled within 50 years."

(verb) hit a two-base hit. Synonyms: double.

(verb) bend over or curl up, usually with laughter or pain. Synonyms: double over, double, double up. Example: "He doubled and vomited violently."

(verb) do double duty; serve two purposes or have two functions. Synonyms: double. Example: "She doubles as his wife and secretary."

(verb) bridge: make a demand for (a card or suit). Synonyms: double.

(verb) make or do or perform again. Synonyms: duplicate, reduplicate, double, repeat, replicate. Example: "He could never replicate his brilliant performance of the magic trick."