You searched for: “reaction
Word Entries containing the term: “reaction
adverse reaction
In pharmacology, any unexpected or dangerous reaction to a drug.

An unwanted effect caused by the administration of a drug. The onset of the adverse reaction may be sudden or develop over time.

thermonuclear reaction (s) (noun), thermonuclear reactions (pl)
Nuclear fusion that occurs at extremely high temperatures: Thermonuclear reactions are accountable for the energy created by the Sun, nuclear weapons, and fusion reactors.
This entry is located in the following unit: Astronomy and related astronomical terms (page 26)