or Deliquium Animi (from delinquere, "I swoon"), a swooning or fainting away; called also syncope, lipothymia, lipoplychia, eclypsis, and aphysia.

Deliquium (from deliquescere, "to be dissolved"), in Chemistry, is the dissolution or melting of a salt by suspending it in a moist cellar.

Salt of tartar, or any fixed alkali, set in a cellar or other cool moist place, and in an open vessel, resolves or runs into a kind of liquor called by the older chemists oil of tartar per deliquium.