19-letter words containing io
- websters-dictionary — Informal. a dictionary of the English language, especially American English, such as Dictionary.com.
- writ of prohibition — a command by a higher court that a lower court shall not exercise jurisdiction in a particular case.
- xenotransplantation — xenograft.
- zenithal projection — a type of map projection in which part of the earth's surface is projected onto a plane tangential to it, either at one of the poles (polar zenithal), at the equator (equatorial zenithal), or between (oblique zenithal)
- zone of illuviation — B horizon.