|a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.|
|the offspring of a zebra and a donkey.|
|1.||absence of mind; preoccupation|
|2.||the process of formulating generalized ideas or concepts by extracting common qualities from specific examples|
|3.||an idea or concept formulated in this way: good and evil are abstractions|
|4.||logic See also lambda calculus an operator that forms a class name or predicate from any given expression|
|5.||an abstract painting, sculpture, etc|
|6.||the act of withdrawing or removing|
abstraction ab·strac·tion (āb-strāk'shən, əb-)
Distillation or separation of the volatile constituents of a substance.
Exclusive mental concentration; absent-mindedness.
A malocclusion in which the teeth or associated structures are lower than their normal occlusal plane.
The selection of a certain aspect of a concept from the whole.