(Greek: laugh, laughter, laughing)
Don't confuse words from this Greek element with those from Latin gel-, gelat-, gelati-, meaning "freeze; congeal; gelatin".
For other laugh, laughter words, click on this cachinnate link.
2. A sudden loss of muscle tone (cataplexy) caused by uproarious (loud and unrestrained) laughter.
2. Someone who specializes in gelotology, the study of humor, laughter, and the exercising of the gelastic muscles, a deeply serious exploration of what happens to the physical systems; such as, respiration and circulation, when people are exposed to humor.
Gelotologists are serious people who study laughter, and they would be the first to tell you that the results of their research is very much a laughing matter.
2. The study of humor and laughter, and its effects on the body.