| ARCHDEACONRY | • archdeaconry n. The office of an archdeacon, or the term of that office. • archdeaconry n. The residence, or territorial jurisdiction of an archdeacon. • ARCHDEACONRY n. the district or residence of an archdeacon. |
| CHLOROHYDRIN | • chlorohydrin n. (Organic chemistry) Any halohydrin in which the halogen is chlorine. • CHLOROHYDRIN n. any of various organic compounds derived from diols or polyhydroxy alcohols by substitution of chlorine for part of the hydroxyl groups. |
| DYSMENORRHEA | • dysmenorrhea n. (Medicine) Painful menstruation (menstrual#Adjective pain), viewed as a symptom#Noun in any of various disorders. • dysmenorrhea n. (Medicine) Painful menstruation (menstrual#Adjective pain), viewed as a disorder#Noun in its own right… • DYSMENORRHEA n. painful menstruation, also DYSMENORRHOEA. |
| HORRENDOUSLY | • horrendously adv. In a horrendous manner. • HORRENDOUS adv. fearful; frightful. |
| HYDROCARBONS | • hydrocarbons n. Plural of hydrocarbon. • HYDROCARBON n. a compound of hydrogen and carbon with nothing else, occurring notably in oil, natural gas and coal. |
| HYDROFORMING | • hydroforming n. (Engineering) A cost-effective way of shaping malleable metals into lightweight, stiff pieces by means… • hydroforming n. (Organic chemistry) The reaction of petroleum with hydrogen. • HYDROFORMING n. the catalytic reforming of petroleum to increase the proportion of aromatic and branched-chain hydrocarbons. |
| HYDROGENATOR | • hydrogenator n. (Chemistry) A device that hydrogenates. • HYDROGENATOR n. an agent that hydrogenates. |
| HYDROMANCERS | • hydromancers n. Plural of hydromancer. • HYDROMANCER n. one who practises hydromancy. |
| PARAHYDROGEN | • parahydrogen n. (Physics) The form of the hydrogen molecule (H2) in which the two nuclei have antiparallel spin; about… • PARAHYDROGEN n. a spin isomer of hydrogen. |
| PYRITOHEDRON | • pyritohedron n. (Mathematics) An irregular dodecahedron, the faces of which are identical but irregular pentagons. • pyritohedron n. (Mineralogy) The shape of one of the crystal habits of pyrite. • PYRITOHEDRON n. a pentagonal dodecahedron. |
| REHYDRATIONS | • rehydrations n. Plural of rehydration. • REHYDRATION n. the act of rehydrating. |
| UNROADWORTHY | • unroadworthy adj. Describing a vehicle which is not safe for use on the road. • UNROADWORTHY adj. not roadworthy. |