dropoutとは 意味・読み方・使い方

語源

drop +‎ out, from the verb phrase.

発音

• ハイフネーション: drop‧out

名詞

dropout (countable かつ uncountable, 複数形 dropouts)

1. Someone who has left an educational institution without completing the course

   The politicians of the world are mere political university dropouts.

2. Someone who has opted out of conventional society.
3. One who suddenly leaves anything, or the act of doing so.
   • 2010, R. Barker Bausell, Too Simple to Fail: A Case for Educational Change, page 193:

     To avoid excessive dropouts from the study, we wouldn't employ a single tutored group and a single control group that received no instruction at all.

4. (cycling) The slot in the frame that accepts the axles of the wheels.
5. A damaged portion of a tape or disk, causing a brief omission of audio, video, or data.
6. Momentary loss of an electronic signal.
7. A technique for regularizing a neural network by discarding a random subset of its units.

派生語

• dropout factory

動詞

drop out (三人称単数 現在形 drops out, 現在分詞 dropping out, 過去形および過去分詞形 dropped out)

1. (idiomatic) To leave (school, a race, etc.) prematurely and voluntarily.

   Nothing went well in high school, so he dropped out.

   • 2017 July 23, Brandon Nowalk, “The great game begins with a bang on Game Of Thrones (newbies)”, in The Onion AV Club‎^[1]:

     After all this time, the little girl who watched her father get beheaded, who was captured and impressed as her enemy’s servant, who was captured again and taken to the site of her family’s massacre, who enrolled at assassin school, who went blind, who dropped out to pursue vengeance, the woman who endured all that by focusing on her hit list can be swayed from her course by the prospect of her family and her home.

2. To opt out of conventional society.
3. (of sound, electronic signal, etc.) To be lost or momentarily interrupted.

   I can't make phone calls because the line keeps dropping out.

4. Used other than figuratively or idiomatically: see drop,‎ out.
   • 1922, Margery Williams, The Velveteen Rabbit:

     Generally, by the time you are Real, most of your hair has been loved off and your eyes drop out and you get loose in the joints and very shabby.

使用する際の注意点

• Often used with of: “drop out of the race”

派生語

• drop-in/drop-out
• tune in, turn on, drop out

関連する語

• drop
• drop-out, dropout

参考

• flunk out

関連する語

• drop out