conspissation

noun4

1. •
   - 1694, R. Burthogge, Essay upon Reason: The Cold of the Night[…]does much contribute to the Conspissation of the Spirits Vehicle.
2. •
   1694, R. Burthogge, Essay upon Reason
3. •
   The Cold of the Night[…]does much contribute to the Conspissation of the Spirits Vehicle.
4. •
   (no longer used) A thickening or making viscous; thickness

   • Of universall life each thing's deriv'd Whater'e appeareth in corporeall fashion; For body's but this spirit, fixt, grosse by conspissation — 1647