- (rare, humorous) The excessive use of abbreviation.
- 1952, Science progress (volume 40, issues 157-160) We are evidently in for a bad patch of abbreviationitis. However, in the matter of chemical mechanisms we do seem to have passed the stage which could be referred to in general as OGIAGAA (one guess is as good as another).
- 1954, British journal of photography (volume 101) In the future, if this abbreviationitis continues, all makes of cameras and apparatus will be known by symbols and numbers instead of names. This regimentation will knock all the nonsense out of shopping.