contact

  • attempt [from ad- 'to' + temptare 'to touch, try']
  • tangent [from tangere 'to touch'] straight line that touches the outside of a curve but does not cross it 切线
  • tangible [from tangere 'to touch'] 可触知的; 明确的; 真实的 →布莱叶盲文, Louis Braille
  • contingent [from contingere 'to have contact with, happen to', from com- + tangere 'to touch']
  • contagious, contiguous, contiguity
  • contact [from contigere; contingent]
  • tact [from tangere 'to touch'] the ability to be careful about what you say or do, so that you do not upset or embarrass other people
    • tactful, tactic, tactical, tactician, tactile, tactless, intangible
    • unfathomable, fathom, The Mark Twain definition in boating means the 12 feet mark above the lead, otherwise known as the safe water mark.
    • →press/push sb's buttons: make someone angry by doing or saying something that annoys them
    • →老虎屁股摸不得

 为啥三角函数里的正切叫tangent.

Contact may refer to:

Physical interaction

  • Contact (geology), a common geological feature
  • Contact lens or contact, a lens placed on the eye 隐形眼镜
  • Contact sport, a sport in which players make contact with other players or objects
  • Contact juggling
  • Contact mechanics, the study of solid objects that deform when touching each other
  • Electrical contacts
  • Contactor, an electrically controlled switch used for switching a power circuit

Social interaction

  • Contact (law), a concept related to visitation rights
  • Contact (social), a person who can offer help in achieving goals
  • Extraterrestrial contact, see Search for extraterrestrial intelligence
  • First contact (anthropology), an initial meeting of two cultures
  • Language contact, the interaction of two or more languages

Other uses

  • Contact print, a kind of photographic image
  • The contact process is the current method of producing sulfuric acid in the high concentrations needed for industrial processes. Platinum [铂bó; 白金] was originally used as the catalyst for this reaction; however, as it is susceptible to reacting with arsenic impurities in the sulfur feedstock [给料; 进料], vanadium(V 钒) oxide (V₂O₅) is now preferred. 
  • 3-2-1 Contact, an American science educational television show

A contact print is a photographic image produced from film; sometimes from a film negative [颜色相反的负片], and sometimes from a film positive  or paper negative. The defining characteristic of a contact print is that the resulting print is the same size as the original, rather than having been projected through an enlarger. 

六级/考研单词: curve, tangible, contingent, tactic, upset, embarrass, physics, interact, geology, lens, mechanic, intellect, susceptible, sulfur, oxide, enlarge

posted @ 2022-08-18 13:21  Fun_with_Words  阅读(259)  评论(0)  编辑  收藏  举报

 张牌。