Better than the average; superior due to exception or rarity.
Corresponding to something of lower dimension under a birational correspondence.
Forming an exception; not ordinary; uncommon; rare.
An exception, or something having an exceptional value
Poor, deficient or inferior in amount, quality or extent
Of a set: such that, considered as a subset of a (usually larger) topological space, it is in a precise sense small or negligible.
Having little flesh; lean; thin.
Dry and harsh to the touch (e.g., as chalk).
To make lean.