Wave of Oscillation (Or Oscillatory Wave) : A wave that results in no mean displacement of the particles of the fluid in the direction of motion of the wave, in contrast to a wave of translation
Intergovernmental Oceanographic Commission IOC technical series 37, Tsunami Glossary (A glossary of terms and acronyms used in the tsunami literature - English), , United Nations Educational, Scientific and Cultural Organization UNESCO, Paris, France 1991. http://unesdoc.unesco.org/images/0008/000885/08853 8eb.pdf, (ND/ Tsunami Sci - Brit) {590}