a (non-gloss definition|Used to form adjectives when combined with common nouns for things considered desirable in the context. The resulting adjectives usually mean "abounding in (common noun)".)
a (computing) elaborate | Elaborate, having complex format|formatting, multimedia, or depth of interaction.
a Of a fuel-air mixture, having less air than is necessary to burn all of the fuel; less air- or oxygen- rich than necessary for a stoichiometric reaction.