|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
|the offspring of a zebra and a donkey.|
|triboelectricity (trī'bō-ĭ-lěk-trĭs'ĭ-tē, trĭb'ō-) Pronunciation Key
An electrical charge produced by friction between two objects that are nonconductive. Rubbing glass with fur, or a comb through the hair, can built up triboelectricity. Most everyday static electricity is triboelectric.