| FERROGRAPHY | • ferrography n. The analysis of particle wear on machine components based on the contaminants found in lubricating oil. • FERROGRAPHY n. a technique for measuring magnetically the wear on machinery. |
| HOROGRAPHER | • horographer n. A person who works in horography (the construction of devices to measure time). • HOROGRAPHER n. one who constructs timepieces. |
| HYDRARGYRAL | • hydrargyral adj. (Obsolete) Relating to the chemical element mercury, or hydrargyrum. • HYDRARGYRAL adj. relating to hydrargyrum, mercury. |
| HYDRARGYRIA | • hydrargyria n. Mercury poisoning. • HYDRARGYRIA n. mercury poisoning, also HYDRARGYRISM. |
| HYDRARGYRIC | • HYDRARGYRIC adj. relating to hydrargyria. |
| HYDRARGYRUM | • hydrargyrum n. (Chemistry, medicine) Mercury (chemical element). • HYDRARGYRUM n. an obsolete name for mercury. |
| OROGRAPHERS | • orographers n. Plural of orographer. • OROGRAPHER n. one who practises orography, the science of mountains. |
| PARAGRAPHER | • paragrapher n. A writer of paragraphs; a paragraphist. • PARAGRAPHER n. one who paragraphs. |
| PYROGRAPHER | • pyrographer n. An artist who practises pyrography. • PYROGRAPHER n. one who practises pyrography. |
| REPROGRAPHY | • reprography n. The reproduction, reprinting and copying of graphics, especially using electromechanical or photographic methods. • REPROGRAPHY n. the reproduction of graphic or typeset material. |
| ROUGHRIDERS | • roughriders n. Plural of roughrider. • rough␣riders n. Plural of rough rider. • ROUGHRIDER n. a rider of untrained horses; a horse-breaker. |
| SERIGRAPHER | • serigrapher n. One who does serigraphy, or silk-screen printing. • SERIGRAPHER n. one who makes serigraphs, silkscreen prints. |
| SURCHARGERS | • surchargers n. Plural of surcharger. • SURCHARGER n. one who surcharges. |
| XEROGRAPHER | • xerographer n. A xerography machine; a photocopier. • XEROGRAPHER n. one who practises xerography. |