noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An uncertain state of the global climate, neither greenhouse nor icehouse, ascribed by some paleoclimatologists to the late Eocene. uncountable

Etymology

Compound of doubt + house. Coined by American geoscientist Kenneth G. Miller in 1992.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.