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- Dictionarycold/kəʊld/
adjective
- 1. of or at a low or relatively low temperature, especially when compared with the human body: "a freezing cold day" Similar Opposite
- 2. lacking affection or warmth of feeling; unemotional: "how cold and calculating he was" Similar Opposite
noun
- 1. a low temperature; cold weather; a cold environment: "my teeth chattered with the cold"
- 2. a common infection in which the mucous membrane of the nose and throat becomes inflamed, typically causing running at the nose, sneezing, and a sore throat: "Suzie's got a cold"
adverb
- 1. completely; entirely: informal North American "we stopped cold behind a turn in the staircase"
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Sep 8, 2024 · Common cold, acute viral infection that starts in the upper respiratory tract, sometimes spreads to the lower respiratory structures, and may cause secondary infections in the eyes or middle ears. More than 200 agents can cause symptoms of the common cold.
- The Editors of Encyclopaedia Britannica
19 hours ago · The Celsius scale (°C) is used for common temperature measurements in most of the world. It is an empirical scale that developed historically, which led to its zero point 0 °C being defined as the freezing point of water, and 100 °C as the boiling point of water, both at atmospheric pressure at sea level.
Sep 4, 2024 · temperature, measure of hotness or coldness expressed in terms of any of several arbitrary scales and indicating the direction in which heat energy will spontaneously flow—i.e., from a hotter body (one at a higher temperature) to a colder body (one at a lower temperature).
- The Editors of Encyclopaedia Britannica
- Temperature is the measure of hotness or coldness expressed in terms of any of several scales, including Fahrenheit and Celsius. Temperature indica...
- On average, the time of day when air temperature is the highest is usually about 3 PM, as heat continues to build up after noon. However, after 3 P...
- During the night there is no direct sunlight, so there is more solar energy being lost than absorbed, causing air temperature during the night to b...
- Temperature decreases at higher altitudes because there is less air exerting pressure than at sea level. According to Gay-Lussac’s law, pressure an...
- Temperature inversions occur when the normal heat gradient of the atmosphere—air is warmer near the ground and cooler in the sky—is reversed. A tem...
Sep 4, 2024 · Cold is the presence of low temperature, especially in the atmosphere. In common usage, cold is often a subjective perception. A lower bound to temperature is absolute zero, defined as 0.00 K on the Kelvin scale, an absolute thermodynamic temperature scale.
Sep 24, 2024 · What Is a Cold? Colds are typically minor infections of the nose and throat (upper respiratory tract) caused by more than 200 different respiratory viruses. Rhinoviruses are the most common cause of colds in the U.S. Parainfluenza viruses, adenoviruses, enteroviruses, human metapneumovirus and common human coronaviruses also cause colds.
2 days ago · The Cold War was a period of geopolitical tension between the United States and the Soviet Union and their respective allies, the Western Bloc and the Eastern Bloc, that started in 1947, two years after the end of World War II, and lasted until the fall of the Soviet Union in 1991.
Sep 19, 2024 · In most cases, when you have a runny nose, headache, and persistent cough, you have a common cold. Most colds go away within one week. Sinus infections, also known as sinusitis, share many symptoms with the common cold, but they tend to be more severe, often lasting 10 days or more.
