- 1
present participle and gerund of rustform-ofgerundparticiple
rusting
'rʌstiŋ4 senses · 351 ms
Level C2
- 1
The development of rust on a surface.
- An example will best make the matter clear, and throw light, perhaps, on many cases of apparently mysterious rustings.
- 2
The phenomenon where the fur of a black cat develops a brown colour when exposed to sunlight.