Good grief, JazzO, thank you for all that work!!

1. Triboluminescence
2. Enantiodromic --both of these just sound
intriguing, as well as having
wonderful and unusual definitions.
3. Piepowder ,for the same reason.
4. Pleonasm personal, pleasurable memories! :-)
5. Pantomath Hi, sweet Nicholas! A handy word to
know.