19-letter words containing a, z, o
- social organization — the structure of social relations within a group, usually the relations between its subgroups and institutions.
- socialized medicine — any of various systems to provide the entire population with complete medical care through government subsidization and regularization of medical and health services.
- stabilization print — a print made by the stabilization process.
- tanizaki jun-ichiro — 1886–1965, Japanese novelist, whose works, such as Some Prefer Nettles (1929) and The Makioka Sisters (1943–48), reflect the tension between Western values and Japanese traditions
- unorganized ferment — ferment (def 2).
- 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)
- zero and add packed — (language) (ZAP) An IBM 360/370 assembly language instruction used when performing packed arithmatic to initialise an accumulator.
- zero-base budgeting — a process in government and corporate finance of justifying an overall budget or individual budgeted items each fiscal year or each review period rather than dealing only with proposed changes from a previous budget. Abbreviation: ZBB.
- zero-hours contract — an employment contract which does not oblige the employer to provide regular work for the employee, but requires the employee to be on call in the event that work becomes available
- zone of illuviation — B horizon.