adrenaline

Word parts

adrenal + -ine

Pronunciation

• IPA ^(key): /əˈdrɛnəlɪn/

• Audio (UK)

  (file)

Noun

Singular adrenaline

Plural adrenalines

1. (uncountable) Adrenaline is a hormone in the body that speeds up the heart and gives more energy, often when someone is scared or excited.

   He felt a rush of adrenaline during the roller coaster ride.

Related words

• adrenal