hygroscopicity
Noun
Meaning
The property possessed by vegetable tissues of absorbing or discharging moisture according to circumstances.
Source: Webster's dictionarySynonyms
Examples
Hygroscopicity is used as a measure of a material's moisture-absorbing tendencies.
Hygroscopicity and water resistance The introduction of water into an explosive is highly undesirable since it reduces the sensitivity, strength, and velocity of detonation of the explosive.