Phrase Hound found 40 phrases and 17 compound words that contain signals. The most common are listed below. Open signals in the live search for definitions, filters, and the full list.
Phrases 40
- traffic signalsplural of traffic signal: A traffic light.
- digital signalsplural of digital signal: A signal that only takes discrete values (contrasted to an analog signal that can take continuously varying values).
- radio signalsplural of radio signal: A signal, which can vary in strength due to various factors, transmitted and received by radio by means of radio waves.
- block signalsplural of block signal: One of the danger signals or safety signals which guide the movement of trains in a block system, often coupled with a switch so that opening or closing the switch also operates the signal.
- danger signalsplural of danger signal: A signal set at danger and showing a red light or other stop indication, which a train driver must not pass until it changes or until manually cleared past the signal by a dispatcher.
- gang signalsplural of gang signal: A gang sign.
- hand signalsplural of hand signal: A standardized hand gesture used by cyclists and some motorists to indicate intentions (such as turning or braking) to other traffic.
- mixed signalsplural of mixed signal: An unclear message, often contradicting a situation.
- price signalsplural of price signal: In a market economy, the information conveyed to consumers and producers via the price which provides a signal to change the demanded or supplied quantity of a product or service.
- signals intelligenceInformation gained from intercepted signals, including traffic analysis.
- smoke-signalsplural of smoke-signal: A method of long-distance communication sometimes used in ancient and undeveloped societies, consisting of messages conveyed by means of columns or intermittent puffs of smoke.
- turn signalsplural of turn signal: Each of the flashing lights on each side of a vehicle which is used to indicate the vehicle is moving left or right.
- analog signalsplural of analog signal: A signal that can vary in a continuous manner (as opposed to a digital signal that only takes discrete values).
- railway signalsplural of railway signal: A visual or mechanical device that conveys instructions or provides a warning regarding the train driver's authority to proceed.
- fog signalsplural of fog signal: A small explosive charge (detonator) which can be placed on a railway line in fog, to be detonated by a train passing over it as a warning signal to the driver.
- virtue signalsthird-person singular simple present indicative of virtue signal: To practice virtue signalling.
- distress signalsplural of distress signal: An emergency signal sent by radio (or other means) from a ship or aircraft in distress or danger.
- colour light signalsplural of colour light signal: An electric railway signal with colour aspects, showing either red or green in a 2-aspect signal, with the addition of a yellow or double yellow aspect (meaning caution) in 3- and 4-aspect signals.
- semaphore signalsplural of semaphore signal: Any signal sent by semaphore.
- ball signalsplural of ball signal: A kind of mechanical signal used on early American railroads, consisting of wooden balls, painted various colors, that were hoisted up and down a pole using a rope and pulley.
- busy signalsplural of busy signal: An audible signal to the calling party that indicates failure to complete the requested connection; an engaged tone.
- clock signalsplural of clock signal: A signal that oscillates between a high and a low state and is used like a metronome to coordinate actions of digital circuits.
- false signalsplural of false signal: An event or emanation to which a sensing device gives an undesired positive response.
- ground signalsplural of ground signal: A dwarf railway signal, mounted close to the ground.
- home signalsplural of home signal: A railway signal controlling entry to the next section of line. Originally it meant a signal governing entry into a station.
Compound words 17
- immunosignalsplural of immunosignal: An immunological signal
- biosignalsplural of biosignal: Any signal (usually electrical in nature) of biological origin
- chemosignalsplural of chemosignal: a pheromone
- countersignalsplural of countersignal: A signal produced in response to another signal.
- equisignalsplural of equisignal: A merged signal composed of two separate signals of differing amplitudes, indicating that the aircraft is on course, in certain instrument landing systems. When off course, the two signals can be heard separately.
- foresignalsplural of foresignal: A signal made or given in advance; a foresign
- hypersignalsplural of hypersignal: An abnormally large signal
- magnetosignalsplural of magnetosignal: The neural signal produced during magnetoception
- missignalsplural of missignal: To signal wrongly or in error
- myosignalsplural of myosignal: An electrical signal that controls a muscle.