vaporescence

plural vaporescences

1. rareuncountableusuallyThe production or emission of vapor.

   But such a point of view is untenable, and into the cauldron of committee discussion go the divergent opinions and varying attitudes of the members, while from its vaporescence rises the evolving judgment of the group, steeped in study and discussion.

   1944, Journal of American Association of University Women, vol. 38-39, p. 172 (Google snippet view)

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   Intricate as it is, all is blended into a cloud-like harmony of shade, which becomes fainter and fainter, as it retires, with the most delicate flatness and unity of tone. And it is by this kind of vaporescence, so to speak, by this flat, misty unison of parts, that nature, and her faithful followers, are enabled to keep the eye in perfect repose in the midst of profusion, and to display beauty of form.

   1843, [John Ruskin], Modern Painters […], volume I, London: Smith, Elder and Co., […], →OCLC

   The Swiss have banded together to prevent the dismantling of one of Expo.02's transitory architectural installations: "Blur Building", a walk-through artificial cloud on the lakeshore at Yverdon-les-Bains. How, one might well wonder, did vaporescence suddenly become so meaningful?

   2002 Nov 10, "Fog Museum" (Google search result), Boston Globe, p. E3 (retrieved 29 Nov 2013)