• Chambers's Twentieth Century Dictionary
    • Cardialgia an uneasy sensation or burning pain at the upper orifice of the stomach, apparently at the heart—hence called heartburn
    • ***


Chambers's Twentieth Century Dictionary
L.—Gr. kardiakoskardia, the heart.


In literature:

When the aliment has had time to ferment, and become acid, it produces cardialgia, or heart-burn.
"Zoonomia, Vol. II" by Erasmus Darwin
Dogs are afflicted with a disease of the stomach, which is very like to "water-brash," "pyrosis," or "cardialgia," in the human being.
"The Dog" by Dinks, Mayhew, and Hutchinson