doubling

Etymology

verb

1. present participle and gerund of double

noun

1. The process or an instance of making something double; a multiplication by two. [from 14th c.]
   Similitude applies to proportional changes, such as doublings, halvings, or quarterings; it does not apply to additive changes. 1994, David C. Schneider, Quantitative Ecology: Spatial and Temporal Scaling, page 36
2. The act of turning around, or doubling back. [from 16th c.]
3. A pleat or fold. [from 17th c.]
4. (archaic) A trick; double-dealing.