from The Century Dictionary.

  • noun The art of using the hygroscope.
  • noun The art of making hygroscopes.
  • noun The actual observation of the general condition of the atmosphere as to moistness or dryness.
  • noun The art of making the presence of aqueous vapor apparent by some one of its visible effects, such as cloud, haze, change of color, change of form or shape, expansion, etc.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The ability of a substance to attract and hold water molecules from the surrounding environment.


Sorry, no etymologies found.


Help support Wordnik (and make this page ad-free) by adopting the word hygroscopy.


  • Amongst the issues that could affect stevia material is hygroscopy.

    BeverageDaily RSS 2010

  • After 2 h, when the viscosity of the honeydew was reduced through hygroscopy, approximately 0.5 µl honeydew was collected with 5 µl micropipettes (Blaubrand, intra Mark).

    PLoS ONE Alerts: New Articles 2009

  • Pure, water-free acetic acid (glacial acetic acid) is a colourless liquid that absorbs water from the environment (hygroscopy), and freezes at 16.7 °C

    Yahoo! Answers: Latest Questions 2009


Log in or sign up to get involved in the conversation. It's quick and easy.