thresholdとは意味・読み方・使い方

発音

• (英国発音) IPA^(key): /ˈθɹeʃ(h)əʊld/
• (米国発音) IPA^(key): /ˈθɹɛʃ(h)oʊld/

名詞

threshold (複数形 thresholds)

1. The bottom-most part of a doorway that one crosses to enter; a sill.
2. (by extension) An entrance; the door or gate of a house.
   • c. 1596–1598 (date written), William Shakespeare, “The Merchant of Venice”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358, [Act I, scene iii], page 166:

     Shy. You that did voide your rume vpon my beard, / And foote me as you ſpurne a ſtranger curre / Ouer your threſhold, […]

3. (by extension) Any end or boundary.
4. (figuratively) The outset of something; the point of entry, or the beginning of an action.
   • 1927-29, M.K. Gandhi, The Story of My Experiments with Truth, translated 1940 by Mahadev Desai, Part I, Chapter xi:

     I arrived at last, did obeisance to my uncle, and told him everything. He thought it over and said: ' […] At the threshold of death, how dare I give you permission to go to England, to cross the seas? But I will not stand in your way. It is your mother's permission which really matters. If she permit you, then godspeed! Tell her I will not interfere. You will go with my blessings.'

5. (aviation) The start of the landing area of a runway.
6. (engineering) The quantitative point at which an action is triggered, especially a lower limit.
7. The wage or salary at which income tax becomes due.
8. The point where one mentally or physically is vulnerable in response to provocation or to particular things in general. As in emotions, stress, or pain.

反意語

• (bottom-most part of a doorway): lintel

派生語

• thresholding
• thresholdless
• thresholdlike

(Expressions:)

• displaced threshold
• Micawber threshold
• threshold braking
• threshold effect
• threshold potential
• threshold worker