expanding
Sayik-SPAN-ding/ɪkˈspændɪŋ/
- 1Present participle and gerund of expand.
The steel beams keep expanding in the afternoon heat.
Expanding her customer base took years of patient effort.
Note
A single -ing form does two grammatical jobs. After be it builds the progressive (the firm is expanding its range). As a gerund it fills a noun's slot yet still takes an object, as in expanding her customer base. It carries every use of expand, including the mathematician's: expanding an expression rewrites it as a longer equivalent sum, and expanding a fraction multiplies top and bottom by the same nonzero number.
expanding is a form of expand
expand, verb: To make something larger or wider in scope, or to add to its number, extent, or volume. Full entry
- Spelling
- expand → expanding: add -ing
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