a. 心不在焉的, 出神的, 分离出的

[ adj ]
lost in thought; showing preoccupation
<adj.all>
an absent starean absentminded professor
the scatty glancing quality of a hyperactive but unfocused intelligence

Abstract \Ab*stract"\, v. t. [imp. & p. p. {Abstracted}; p. pr.
& vb. n. {Abstracting}.] [See {Abstract}, a.]
1. To withdraw; to separate; to take away.

He was incapable of forming any opinion or
resolution abstracted from his own prejudices. --Sir
W. Scott.

2. To draw off in respect to interest or attention; as, his
was wholly abstracted by other objects.

The young stranger had been abstracted and silent.
--Blackw. Mag.

3. To separate, as ideas, by the operation of the mind; to
consider by itself; to contemplate separately, as a
quality or attribute. --Whately.

4. To epitomize; to abridge. --Franklin.

5. To take secretly or dishonestly; to purloin; as, to
abstract goods from a parcel, or money from a till.

Von Rosen had quietly abstracted the bearing-reins
from the harness. --W. Black.

6. (Chem.) To separate, as the more volatile or soluble parts
of a substance, by distillation or other chemical
processes. In this sense extract is now more generally
used.


Abstracted \Ab*stract"ed\, a.
1. Separated or disconnected; withdrawn; removed; apart.

The evil abstracted stood from his own evil.
--Milton.

2. Separated from matter; abstract; ideal. [Obs.]

3. Abstract; abstruse; difficult. [Obs.] --Johnson.

4. Inattentive to surrounding objects; absent in mind. ``An
abstracted scholar.'' --Johnson.