signalとは

語源

From Old French segnal, seignal or Medieval Latin signāle, noun use of the neuter of Late Latin signālis, from Latin signum.

発音

• enPR: sĭgʹnəl, IPA^(key): /ˈsɪɡnəl/
• ハイフネーション: sig‧nal

名詞

signal (複数形 signals)

1. A sign made to give notice of some occurrence, command, or danger, or to indicate the start of a concerted action.
   • Milton

     All obeyed / The wonted signal and superior voice / Of this great potentate.

2. An on-off light, semaphore, or other device used to give an indication to another person.
3. (of a radio, TV, telephone, internet, etc.) An electrical or electromagnetic action, normally a voltage that is a function of time that conveys the information of the radio or TV program or of communication with another party.

   My mobile phone can't get a signal in the railway station.

4. A token; an indication; a foreshadowing; a sign.
   • Shakespeare

     The weary sun […] / Gives signal of a goodly day to-morrow.

   • De Foe

     There was not the least signal of the calamity to be seen.

5. Useful information, as opposed to noise.
6. (computing, Unix) A simple interprocess communication used to notify a process or thread of an occurrence.

反意語

• (useful information): noise

派生語

参考

• tocsin

動詞

signal (third-person singular simple present signals, present participle (英国用法) signalling or (米国用法) signaling, simple past and past participle (英国用法) signalled or (米国用法) signaled)

1. (transitive, intransitive) To indicate.

派生語

• missignal
• oversignal
• undersignal

形容詞

signal (not comparable)

1. Standing above others in rank, importance, or achievement.

   a signal exploit; a signal service; a signal act of benevolence

   • Milton

     As signal now in low, dejected state / As erst in highest, behold him where he lies.

関連する語

• signature (adjective)

アナグラム

• Saling, algins, aligns, lasing, liangs, lingas