| HADROSAURUS | • Hadrosaurus prop.n. A taxonomic genus within the family Hadrosauridae. • HADROSAURUS n. a large dinosaur. |
| HADROSAURUSES | • HADROSAURUS n. a large dinosaur. |
| HYDROSULPHURIC | • hydrosulphuric adj. Alternative spelling of hydrosulfuric. • HYDROSULPHURIC adj. formed by a combination of hydrogen and sulphur. |
| HYDROSULPHUROUS | • HYDROSULPHUROUS adj. as in hydrosulphurous acid. |
| RUTHERFORDIUM | • rutherfordium n. A transuranic chemical element (symbol Rf) with an atomic number of 104. • rutherfordium n. (Obsolete) A rejected name for seaborgium. • rutherfordium n. (Obsolete) A rejected name for lawrencium. |
| RUTHERFORDIUMS | • RUTHERFORDIUM n. an artificially produced radioactive transuranic element. |
| ULTRAHAZARDOUS | • ultrahazardous adj. Extremely hazardous. • ULTRAHAZARDOUS adj. extremely hazardous. |
| UNDERNOURISH | • undernourish v. (Transitive) To provide with insufficient nourishment. • UNDERNOURISH v. to nourish insufficiently. |
| UNDERNOURISHED | • undernourished adj. Provided with insufficient nourishment to sustain proper health and growth. • UNDERNOURISH v. to nourish insufficiently. |
| UNDERNOURISHES | • undernourishes v. Third-person singular simple present indicative form of undernourish. • UNDERNOURISH v. to nourish insufficiently. |
| UNDERNOURISHING | • undernourishing v. Present participle of undernourish. • UNDERNOURISH v. to nourish insufficiently. |
| UNDERWROUGHT | • underwrought v. (Archaic) simple past tense and past participle of underwork. • UNDERWROUGHT adj. (Shakespeare) insufficiently wrought. |
| UNHARBOURED | • unharboured v. Simple past tense and past participle of unharbour. • unharboured adj. (Obsolete) Offering no harbour or shelter. • UNHARBOUR v. to dislodge from shelter. |