Associations to the word «Signal»


SIGNAL, noun. A sign made to give notice of some occurrence, command, or danger, or to indicate the start of a concerted action.
SIGNAL, noun. An on-off light, semaphore, or other device used to give an indication to another person.
SIGNAL, noun. (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.
SIGNAL, noun. A token; an indication; a foreshadowing; a sign.
SIGNAL, noun. Useful information, as opposed to noise.
SIGNAL, noun. (computing) (Unix) A simple interprocess communication used to notify a process or thread of an occurrence.
SIGNAL, verb. To indicate.
SIGNAL, adjective. Standing above others in rank, importance, or achievement.
SIGNAL ASPECT, noun. The visual appearance of a railway signal
SIGNAL BOX, noun. A building, typically adjacent to or spanning a railway line, from where signals, points and (sometimes) level crossings are controlled.
SIGNAL BOXES, noun. Plural of signal box
SIGNAL CRAYFISH, noun. An American crayfish, Pacifastacus leniusculus, having a large claw that it waves to attract a mate.
SIGNAL INDICATION, noun. The meaning of a railway signal
SIGNAL PHRASE, noun. An indication that something is a direct quote.
SIGNAL PHRASES, noun. Plural of signal phrase
SIGNAL POWER, noun. Power of a signal.
SIGNAL TRANSDUCTION, noun. (biochemistry) A series of chemical reactions within a cell which start when a transmembrane protein comes into contact with a chemical signal, resulting in a second messenger being triggered.

Dictionary definition

SIGNAL, noun. Any nonverbal action or gesture that encodes a message; "signals from the boat suddenly stopped".
SIGNAL, noun. Any incitement to action; "he awaited the signal to start"; "the victory was a signal for wild celebration".
SIGNAL, noun. An electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes.
SIGNAL, verb. 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".
SIGNAL, verb. 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".
SIGNAL, adjective. Notably out of the ordinary; "the year saw one signal triumph for the Labour party".

Wise words

Once a word has been allowed to escape, it cannot be recalled.