deliquium (plural deliquiums)
- (chemistry) Liquefaction through absorption of moisture from the air.
- (pathology) An abrupt loss of consciousness usually caused by an insufficient blood flow to the brain; fainting.
- 1621, Democritus Junior [pseudonym; Robert Burton], The Anatomy of Melancholy, Oxford: Printed by Iohn Lichfield and Iames Short, for Henry Cripps, OCLC 216894069; The Anatomy of Melancholy: […], 2nd corrected and augmented edition, Oxford: Printed by John Lichfield and James Short, for Henry Cripps, 1624, OCLC 54573970, (please specify |partition=1, 2, or 3):, vol.1, New York, 2001, p.387:
- If he be locked in a close room, he is afraid of being stifled for want of air, and still carries biscuit, aquavitæ, or some strong waters about him, for fear of deliquiums, or being sick […]
- (literary, figuratively) A languid, maudlin mood.
- (rare) An abrupt absence of sunlight, e.g. caused by an eclipse.