Definitions of signal [ˈsɪg nl]

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Definition of 'signal'

Random House Webster's College Dictionary

1. (n.) signal
anything that serves to indicate, warn, direct, command, or the like, as a light, a gesture, or an act.

2.  signal
anything agreed upon or understood as the occasion for concerted action.

3.  signal
an act, event, or the like that causes or incites some action.

4.  signal
a token; indication.

5.  signal
an electrical quantity or effect, as current, voltage, or electromagnetic waves, that can be varied in such a way as to convey information.

6.  signal
(in cards) a play indicating to one's partner to continue or discontinue the suit led.

7. (adj.) signal
serving as a signal.

8.  signal
unusual; notable; outstanding.

9. (v.t.) signal
to make a signal to.

10.  signal
to communicate or make known by a signal.

11. (v.i.) signal
to make communication by a signal or signals.

Etymology: (1350–1400; < ML signāle, LL, n. use of neut. of signālis of a sign. See sign)

Definition of 'signal'

Princeton's WordNet

1. (noun) signal, signaling, sign
any nonverbal action or gesture that encodes a message
"signals from the boat suddenly stopped"

2. (noun) signal
any incitement to action
"he awaited the signal to start"; "the victory was a signal for wild celebration"

3. (adj) signal
an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes

4. (verb) signal
notably out of the ordinary
"the year saw one signal triumph for the Labour party"

5. (verb) sign, signal, signalize, signalise
communicate silently and non-verbally by signals or signs
"He signed his disapproval with a dismissive hand gesture"; "The diner signaled the waiters to bring the menu"

6. (verb) bespeak, betoken, indicate, point, signal
be a signal for or a symptom of
"These symptoms indicate a serious illness"; "Her behavior points to a severe neurosis"; "The economic indicators signal that the euro is undervalued"

Definition of 'signal'

Kernerman English Learner’s Dictionary

1. (noun) signal
an action, sound, etc. that sends people a message
The signal to advance was a single gunshot.; He gave them a signal, and they began to sing.

2.  signal
an indication of what is likely to happen or be done
a signal of his intention to resign

3.  signal
a piece of equipment for controlling cars, trains, etc.
a traffic signal

4.  signal
light or sound sent in an electronic form
a weak radio signal

5. (verb) signal
to make a signal that sends people a message
He signaled to the others to help.; They were signaling for us to leave.; She was trying to signal that she couldn't breathe.

6.  signal
to indicate what is likely to happen or be done
Rising prices signaled the end of the housing troubles.

Definition of 'signal'

Webster Dictionary

1. (adj) signal
noticeable; distinguished from what is ordinary; eminent; remarkable; memorable; as, a signal exploit; a signal service; a signal act of benevolence

2. (adj) signal
of or pertaining to signals, or the use of signals in conveying information; as, a signal flag or officer

3. (noun) signal
a sign made for the purpose of giving notice to a person of some occurence, command, or danger; also, a sign, event, or watchword, which has been agreed upon as the occasion of concerted action

4. (noun) signal
a token; an indication; a foreshadowing; a sign

5. (verb) signal
to communicate by signals; as, to signal orders

6. (verb) signal
to notify by a signals; to make a signal or signals to; as, to signal a fleet to anchor

Definition of 'signal'

Dictionary of Military and Associated Terms

1. signal
1. As applied to electronics, any transmitted electrical impulse. 2. Operationally, a type of message, the text of which consists of one or more letters, words, characters, signal flags, visual displays, or special sounds with prearranged meaning, and which is conveyed or transmitted by visual, acoustical, or electrical means.

Translation of 'signal'

Kernerman English Multilingual Dictionary

Sense: a sign (eg a movement of the hand, a light, a sound), especially one arranged beforehand, giving a command, warning or other message He gave the signal to advance.
Afrikaans: sein	Arabic: إشارَه	Bulgarian: знак
Brazilian: sinal	Czech: signál	German: das Signal
Danish: signal; tegn	Greek: σήμα, σινιάλο	Spanish: señal
Estonian: märguanne	Farsi: اشاره ؛ اخطار	Finnish: merkki
French: signal	Hebrew: אִיתוּת	Hindi: संकेत
Croatian: znak, signal	Hungarian: jel(zés)	Indonesian: isyarat
Icelandic: merki	Italian: segnale	Japanese: 合図
Korean: 신호	Lithuanian: signalas	Latvian: signāls; zīme
Malay: isyarat	Dutch: teken	Norwegian: signal, tegn
Polish: sygnał	Persian: اشاره ؛ اخطار	Pashto: نښه، علامه، اشاره: دخبرو
Portuguese: sinal	Romanian: semnal	Russian: сигнал, команда
Slovak: signál	Slovenian: znamenje	Serbian: signal
Swedish: signal, tecken	Thai: สัญญาณ	Turkish: işaret
Taiwanese: 信號，暗號	Ukrainian: сигнал, знак	Urdu: ہاتھ وغیرہ کا اشارہ
Vietnamese: dấu hiệu	Chinese: 信号，暗号
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