These terms are from the FISH Archaeological Objects Thesaurus (Forum on Information Standards in Heritage - FISH).
| Term | Scope note | Term type | SENESCHAL URI | Other URI |
|---|---|---|---|---|
| OFFICE | A room in which commercial or administrative activities are carried out. | Preferred term | 138023 | - |
| OFFICERS MESS | A building providing dining facilities and recreation for commissioned officers. | Preferred term | 71676 | - |
| OFFICERS QUARTERS | A building where military officers are accommodated. | Preferred term | 71833 | - |
| OFFICIAL RESIDENCE | Used where an existing building is designated as the residence of an official. | Preferred term | 94049 | - |
| OGEE | A decorative form consisting of two upright S-shaped curves positioned opposite one another with their concave sections placed at the top. | Preferred term | 138024 | - |
| OGEE ARCH | A pointed arch in which the arcs comprising it are centred on points both outside and inside the arch so that the point takes the form of a double S, or ogee. | Preferred term | 138025 | - |
| OGEE BRACE | A brace which is cut to a double curve. | Preferred term | 138026 | - |
| Ogee Moulding | Narrow term | 138969 | - | |
| OGHAM STONE | Upright stones engraved on the edges with a Celtic script consisting of lines or notches. | Preferred term | 70111 | - |
| OGHAM STONE | A stone inscribed or marked with ogham letters used for a memorial | Preferred term | 100135 | - |
| OHEL | Prayer hall at burial ground, especially a small walk-in memorial devoted to a deceased Hasidic rabbi. | Preferred term | 147308 | - |
| OIL | A smooth, flammable liquid, produced naturally or from plants or animals, and used for a variety of purposes. | Preferred term | 79105 | - |
| OIL BASED PRODUCTS | Materials or goods which have been produced wholly or in part from oil, e.g. petroleum. | Preferred term | 79106 | - |
| OIL CAKE | Cattle fodder or fertilizer resulting from the extracting of oil from seeds. | Preferred term | 83010 | - |
| OIL DISTILLERY | A site used for the separation of oil into its constituent parts by heating in an enclosed vessel(s). | Preferred term | 92782 | - |
| OIL ENGINE | An internal combustion engine powered by the combustion of vapourized oil. | Preferred term | 92783 | - |
| OIL ENGINE | An oil-fuelled internal combustion engine, developed in the late 19th century, and usually made as a stationary, horizontal unit. | Preferred term | 138027 | - |
| OIL FIRED POWER STATION | An electricity-producing power station fired by oil. | Preferred term | 92784 | - |
| OIL FUEL BERTH | A purpose built quay for supplying ships with fuel. | Preferred term | 88198 | - |
| OIL MILL | A factory where fruit and seed oil is produced by an oil machine. | Preferred term | 69132 | - |
| OIL PUMP | A piece of machinery used to raise oil from a well. | Preferred term | 92785 | - |
| OIL REFINERY | A works where crude oil is distilled into its fractions or cuts. | Preferred term | 69153 | - |
| OIL RETORT HOUSE | A structure erected for the processing of shale, to extract oil through heating. | Preferred term | 92787 | - |
| OIL RIG | A supporting structure for drilling machinery used in the extraction of or prospecting for mineral oils. | Preferred term | 92788 | - |
| OIL SILO | An underground structure for the storage of mineral oil. | Preferred term | 92789 | - |
| OIL WELL | A site where petroleum is drawn. | Preferred term | 69154 | - |
| OIL WORKS | Buildings, sites and structures associated with the retrieval, refining, processing and storage of petroleum oil. | Preferred term | 119013 | - |
| OILCLOTH MILL | A mill in which oilcloth (a heavy cotton or linen cloth with a linseed oil coating) was produced. | Preferred term | 159345 | - |
| OILER | Generic term for all vessels used to supply warships with any type of fuel. | Preferred term | - | - |
| OINTMENT JAR | A jar for the storage of ointment. | Preferred term | 95288 | - |
7711 - 7740 of 12,437 records.