Question

90. tang, tact [L]=

Accepted Answer

to touch 接触
tang 和tact 是一对同源异形根，tang 来自拉丁动词tangere 的不定式词干，tact 是动名词词
干，意思相当于to touch（接触）。

contact [con-(com-)=wholly 完全地；tact=to touch 接触→]Ⅰn. touch;meeting 接触；联系：to
come into contact with new ideas 接触新思想→Ⅱv. touch;get in touch with 接触；与……联
系：Please contact our office. 请与我们办公室联系。→III a. having or keeping touch with 保持
接触的：contact battle 遭遇战

▽contactual [contact n.;-u-;-al a.] a.接触的
contactor [contact v.;-or n.] n.接触器；开关

tact [tact=to touch 接触→“skill in making touch with others 与他人接触的技巧”→] n. skill in
avoiding what would offend;quick sense of what is proper or right 老练圆滑；机智得体：An
ambassador must have tact.当大使必须机智老练、言行得体。

▽tactful [tact;-ful a.] a.老练的；得体的
tactless [tact;-less a.] a.不老练的；不得体的

tactile [tact=to touch 触；-ile a.=pertaining to……的→] a.① pertaining to the sense of touch 触
觉的：tactile organs 触觉器官② that can be felt by touching 能触知的：This cloth gives a good
tactile impression.这种布料手感很好。

▽tactility [tactil(e);-ity n.] n.触知性；触觉能力

intact [in-=not 不；tact =to touch 触→“not touched 未被触动的”→] a. remaining whole because
no part has been touched or spoiled 完整无缺的：The fire destroyed the house but left the
garage intact.房子被烧了，车库却完好无损。
tangent [tang = to touch 触；-ent n. = thing 物→] n. line that touches a curved line at a point 切
线：Line A is a tangent of the circle.直线A 是圆的切线。

▽tangential [tangent;-i-;-al a.] a.切线的；正切的

tangible [tang=to touch 触；-ible a.=capable of 可……的→“capable of being touched 可接触
的，可触知的”→] a.①having a touchable ordefinite shape 有形的：tangible assets 有形资产
② clear and certain;real 明确的；确实的：tangible proof 确凿证据

▽tangibility [tangib(le);-ility n.] n.有形性；确实性

contagious [con-(com-)=with 与；tag (tang 的变体)=to touch 接触；-ious a.=characterized by
有……特点的→“characterized by touching with others 特别会与其他人或物接触的”→] a.
①communicable by contact 可传染的；有感染力的：contagious laughter 有感染力的笑声②
that can carry disease by contact 接触传染的：contagious disease 传染病

▽contagion [con-;tag;-ion n.] n.接触传染；传染病；感染；传播
contagiosity [con-;tag;-i-;-osity n.] n.接触传染率
contagium [con-;tag;-i-;-um n.] n.接触传染物

Touch N Contact Touched Tact Tact=To Sense Tactile