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Cold | Definition of Cold by Merriam-Webster

Cold definition is - having or being a temperature that is uncomfortably low for humans. How to use cold in a sentence..

Common cold - Symptoms and causes - Mayo Clinic

The common cold is a viral infection of your nose and throat (upper respiratory tract). It's usually harmless, although it might not feel that way. Many types of viruses can cause a common cold. Children younger than 6 are at greatest risk of colds, but healthy adults can also expect to have two or three colds annually..

Cold - Wikipedia

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..

Cold | Definition of Cold at Dictionary.com

Cold definition, having a relatively low temperature; having little or no warmth: cold water; a cold day. See more..

Cold - definition of cold by The Free Dictionary

A condition of low air temperature; cold weather: went out into the cold and got a chill. 3. A viral infection characterized by inflammation of the mucous membranes lining the upper respiratory passages and usually accompanied by malaise, fever, chills, coughing, and sneezing. Also called common cold, coryza..

Common cold - Wikipedia

The common cold, also known simply as a cold, is a viral infectious disease of the upper respiratory tract that primarily affects the nose. The throat, sinuses, and larynx may also be affected. Signs and symptoms may appear less than two days after exposure to the virus..