His interpretation was that the rest of the charcoal had been transmuted into an invisible substance he termed a gas or wild spirit ("spiritus sylvestre").
This ability has been termed primary intersubjectivity and includes emotional, sensory-motor, perceptual, and nonconceptual embodied practices that are exhibited by pre-linguistic children.
Some of the most troublesome filled-capsule defects occur in the capsule closing process, and are termed splits, telescoped capsules, folds and cap tucks.
Thousands of specimens, hundreds of tons of bones, have been recovered from the bottom of the North Sea, termed doggerland, and continue to be recovered.