Englishfor English speakers
anaphylaxis
—
noun
hypersensitivity reaction to the ingestion or injection of a substance (a protein or drug) resulting from prior contact with a substance
reaction
Noun
—
A reaction is an action that happens because of another action.
When he asked her to lunch, her first reaction was to say no.
In part, McKenna sees the move to smaller cars as a natural reaction to rising gasoline prices.
Fast reaction times are common in athletes.
When oxygen is added, a chemical reaction begins and heat is released.
A severe allergic reaction to the drug has killed five Americans.