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allergy a condition in which a person's body has an unusual reaction to certain things. An allergy can cause itching, coughing, sneezing, or trouble breathing. Allergies to animal hair, pollen, and certain foods are among the most common.
carry away to cause a strong reaction or emotions in.
enzyme a protein that helps a chemical reaction take place within a living thing.
fusion a reaction that combines the nuclei of atoms to form heavier nuclei. A huge amount of energy is released during nuclear fusion. [1/4 definitions]
reactor a device in physics for starting and controlling a nuclear chain reaction; nuclear reactor. [1/2 definitions]
reflex having to do with a response or reaction that is automatic and not controlled by conscious thought. [2/3 definitions]
response a reaction. [1/2 definitions]
rise an angry reaction. [1/16 definitions]