doubling

verb

1. (form-of, gerund, participle, present)present participle and gerund of double

noun

1. (countable, uncountable)The process or an instance of making something double; a multiplication by two.

   “In an article concerning Yunnan, it pointed out that the efforts of the Nuchiang Lisu Autonomous Chou’s party committee had resulted in a doubling of minorities cadres since 1965, and that many of these persons had assumed the first and second positions in leadership squads at different levels.”

   “Similitude applies to proportional changes, such as doublings, halvings, or quarterings; it does not apply to additive changes.”

2. (countable, uncountable)The act of turning around, or doubling back.
3. (countable, uncountable)A pleat or fold.
4. (archaic, countable, uncountable)A trick; double-dealing.