The biggest surprise was the sudden reappearance of the radio signals.Stock brokers use roughly 300 hand signals on the trading floor.Moma Parsheen had sent the exterminatus signal just over a week earlier.The telephone changes sound waves into electrical signals.This ability to adjust signals is a mechanism for learning.a digital signal Digital signals can be compressed to take up less space. a radio/electrical/radar signal A transmitter connected to the door bell sends radio signals to a portable receiver. weak/faint The signals were too weak for the receiver to pick up. ADJECTIVES/NOUN + signal strong I can’t use my phone because the signal isn’t strong enough here. a signal travels (=goes across space, along a wire etc ) The signal travels over the cable network. carry a signal (=allow it to travel along or through something ) Copper wires carry the electrical signals. receive/pick up a signal The antenna that will pick up the signals is a 12-metre dish. emit a signal (=sends one out ) The device emits a signal which can be picked up by a submarine. COLLOCATIONS – Meaning 3: a series of light waves, sound waves etc that carry an image, sound, or message, for example in radio or television verbs send (out)/transmit a signal The signals are transmitted via satellites. read the signals (=to understand signals correctly ) President Nixon read the signals and decided it was time to resign. verbs send/give out a signal The use of the army sends out a clear signal to protesters that their actions will not be tolerated. mixed signals (=ones that are confusing because they seem to show two different things ) Our culture gives girls mixed messages about food, with skinny models and fast-food commercials competing for attention. the wrong signals (=ones that do not give a true account of a situation ) Reducing the penalty for marijuana use perhaps sends the wrong signal to teenagers. a warning/danger/alarm signal (=a signal showing that there is danger ) Managers should keep a watchful eye open for the danger signals. 4 TTT a piece of equipment with coloured lights, used on a railway to tell train drivers whether they can continue or must stop a stop signal a signal failure (=when these lights do not work ) → busy signal 1 (4 ) COLLOCATIONS – Meaning 2: an event or action that shows what someone feels, what exists, or what is likely to happen ADJECTIVES/NOUN + signal a clear/strong signal My body was giving me a clear signal that something was wrong. receive/pick up/detect a signal a small antenna which can receive radio signals The coastguard picked up a distress signal from a freighter 50 miles out at sea. 3 TCB a series of light waves, sound waves etc that carry an image, sound, or message, for example in radio or television send/transmit a signal This new pay-TV channel sends signals via satellite to cable companies. the danger signals of a heart attack send/give out a signal We don't want to give out the wrong signal to investors. signal of The opinion poll is a clear signal of people’s dissatisfaction with the government. → smoke signal ► see thesaurus at sign 2 SIGN/INDICATION an event or action that shows what someone feels, what exists, or what is likely to happen signal (that) These results are a signal that the child may need special help. At a prearranged signal the lights went out. S2 W2 noun 1 SIGN/GESTURE a sound or an action that you make in order to give information to someone or tell them to do something signal (for somebody) to do something When she got up from the table, it was obviously the signal for us to leave.Signally From Longman Dictionary of Contemporary English Related topics: Broadcasting, Trains & railways signal sig‧nal 1 / ˈsɪɡn əl / Sign signal signatory signature signing signaller
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |