| 释义 |
ab·strac·tion
\abzˈtrakshən, əb-, -bˈst-\ noun
(-s)
Etymology: Middle French or Medieval Latin; Middle French, from Medieval Latin abstraction-, abstractio, from Late Latin, abduction, from Latin abstractus (past participle of abstrahere to draw away, withdraw) + -ion-, -io -ion — more at abstract
1. : the act of drawing or taking away : the state of being drawn or taken away : removal, separation
< labels bearing a clearly printed notice of addition or abstraction >
< in search of seclusion, of loneliness, of … abstraction from the trivial round — Times Literary Supplement >
< suspected of the abstraction of money from the mail >
2.
a. : the act or process of leaving out of consideration one or more qualities of a complex object so as to attend to others (as when the mind considers the form of a tree by itself or the color of the leaves independently of their size or figure)
b. : the act or process of imaginatively isolating or considering apart the common properties or characteristics of distinct objects
< abstraction is necessary for the classification of things into genera and species >
c. : the formation of a concept or an idea by such an act : the construction of a class name
3. [probably from abstract (I) + -ion] : the result of a mental process of abstracting : an abstract idea or a term expressing such an idea
< his style was dense with abstractions >
sometimes : a visionary or unrealistic idea
4. : inattention to present objects or surroundings : absence of mind
< lost in abstraction >
< an air of complete abstraction >
5. : abstract quality or character
< pantomime with a symbolic abstraction that approached ballet >
6. fine art : an abstract composition or creation
7. : the merging of two or more streams into a single stream course by the deepening and widening of one valley so that it engulfs a shallower and smaller neighboring valley |