| CHIVALRESQUE | • chivalresque adj. Characteristic of chivalry. • CHIVALRESQUE adj. relating to or connected with chivalry. |
| EXHAUSTIVELY | • exhaustively adv. In an exhaustive manner. • EXHAUSTIVE adv. testing all possibilities or considering all elements. |
| EXTRAVEHICULAR | • extravehicular adj. Relating to, on happening in, the space outside a vehicle, especially a spacecraft in space. • extra-vehicular adj. Alternative spelling of extravehicular. • EXTRAVEHICULAR adj. taking place outside a vehicle (as a spacecraft). |
| HELIOGRAVURE | • heliogravure n. The process of photographic engraving. • heliogravure n. An engraving of this kind. • HELIOGRAVURE n. photogravure. |
| HELIOGRAVURES | • heliogravures n. Plural of heliogravure. • HELIOGRAVURE n. photogravure. |
| HELVETIUM | • helvetium n. Proposed name for the chemical element astatine. • HELVETIUM n. a superseded name for the element astatine. |
| HELVETIUMS | • HELVETIUM n. a superseded name for the element astatine. |
| HYPERVIRULENCE | • hypervirulence n. An increased virulence. |
| HYPERVIRULENCES | Sorry, definition not available. |
| HYPERVIRULENT | • hypervirulent adj. Extremely virulent. • HYPERVIRULENT adj. extremely virulent. |
| MULTIWAVELENGTH | • multiwavelength adj. Involving, or composed of, multiple wavelengths. • multi-wavelength adj. Alternative spelling of multiwavelength. • MULTIWAVELENGTH adj. extending over many wavelengths. |
| OVERFLOURISHED | • overflourished v. Simple past tense and past participle of overflourish. • OVERFLOURISH v. to cover with blossom, or with flourishes or ornament. |
| OVERFLOURISHES | • overflourishes v. Third-person singular simple present indicative form of overflourish. • OVERFLOURISH v. to cover with blossom, or with flourishes or ornament. |
| OVERSCHEDULING | • overscheduling v. Present participle of overschedule. |
| ULTRAHEAVIER | • ULTRAHEAVY adj. very very heavy. |
| ULTRAHEAVIEST | • ULTRAHEAVY adj. very very heavy. |
| UNACHIEVABLE | • unachievable adj. That cannot be achieved (or only with great difficulty). • UNACHIEVABLE adj. that cannot be achieved. |