释义 |
WordReference Random House Learner's Dictionary of American English © 2024sig•nal /ˈsɪgnəl/USA pronunciation n., adj., v., -naled, -nal•ing or (esp. Brit.) -nalled, -nal•ling. n. [countable] - anything that serves to indicate, warn, direct, etc., such as a light, a gesture, or an act:a traffic signal.
- an act or event that causes an action:The execution was a signal for revolt.
- Electronicsan electrical quantity or effect, as current or waves, that can be varied to convey information:a TV signal.
adj. [before a noun] - serving as a signal:a signal light.
- unusual;
notable; outstanding:a signal accomplishment. v. - to make a signal to (someone or something): [no object]The police officer stood there signaling.[~ + object]The captain said he wanted to signal his ship.[~ + object + to + verb]Signal the tugboat to pull up a little closer.[~ + that clause]to signal that he wants to come home.
See -sign-. WordReference Random House Unabridged Dictionary of American English © 2024sig•nal (sig′nl),USA pronunciation n., adj., v., -naled, -nal•ing or (esp. Brit.) -nalled, -nal•ling. n. - anything that serves to indicate, warn, direct, command, or the like, as a light, a gesture, an act, etc.:a traffic signal; a signal to leave.
- anything agreed upon or understood as the occasion for concerted action.
- an act, event, or the like that causes or incites some action:The unjust execution was the signal for revolt.
- a token;
indication. - Electronicsan electrical quantity or effect, as current, voltage, or electromagnetic waves, that can be varied in such a way as to convey information.
- Games[Cards.]a play that reveals to one's partner a wish that he or she continue or discontinue the suit led.
adj. - serving as a signal;
used in signaling:a signal flag. - unusual;
notable; outstanding:a signal exploit. v.t. - to make a signal to.
- to communicate or make known by a signal.
v.i. - to make communication by a signal or signals.
- Medieval Latin signāle, Late Latin, noun, nominal use of neuter of signālis of a sign. See sign, -al2, -al1
- Middle English (noun, nominal) 1350–1400
sig′nal•er; esp. Brit. sig′nal•ler, n. - 1, 4.See corresponding entry in Unabridged sign.
- 8.See corresponding entry in Unabridged unique, exceptional, remarkable, striking.
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