histamine

noun (histamine, uncountable)

«histamine» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

Everyday

(science) A chemical made by the body that causes allergy symptoms such as sneezing, itching, swelling and a runny nose when the body reacts to things like pollen, dust or insect bites. tree →

In the lessons

In health and science lessons on allergies and hay fever: when pollen gets in your nose, the body releases histamine. «Antihistamine» medicines block it and help with hay fever, rashes and itchy bites. Safety: only take medicine given by an adult; serious allergies need an EpiPen and an ambulance.

Examples

Histamine makes your eyes itch when you have hay fever. tree →
An antihistamine tablet stopped my sneezing. tree →
A mosquito bite swells because of histamine. tree →
The body releases histamine when it meets an allergen. tree →
Nettle stings contain some histamine. tree →

Note

Uncountable. Said «HIS-tuh-meen». «Antihistamine» means a medicine against histamine.

On Mova

Trees and pragmatics of «histamine» in the school dictionary: every meaning and example parsed by Mova, with its dependency tree and frames.
«histamine» in the school dictionary on Mova free.

This page in Markdown → https://md.dictionary.elamur.ai/free/en/english/histamine/