| HELIOGRAVURES | • heliogravures n. Plural of heliogravure. • HELIOGRAVURE n. photogravure. |
| HYPERREACTIVE | • hyperreactive adj. Showing a much greater than normal response to a stimulus. • HYPERREACTIVE adj. excessively reactive. |
| HYPERVARIABLE | • hypervariable adj. Having a high degree of variability. |
| INTERBEHAVIOR | • INTERBEHAVIOR n. the behaviour of interaction between organisms, also INTERBEHAVIOUR. |
| MEGAHERBIVORE | • megaherbivore n. (Biology) Any very large herbivore, typically one weighing more than 1000 kg. • MEGAHERBIVORE n. a large plant-eater. |
| OVERACHIEVERS | • overachievers n. Plural of overachiever. • over-achievers n. Plural of over-achiever. • OVERACHIEVER n. one who achieves success over and above the standard or expected level esp. at an early age. |
| OVERBREATHING | • overbreathing v. Present participle of overbreathe. • overbreathing n. Hyperventilation. • overbreathing n. Excessive breathing. |
| OVERHARVESTED | • overharvested v. Simple past tense and past participle of overharvest. • OVERHARVEST v. to harvest to excess. |
| OVERWEATHERED | • overweathered v. Simple past tense and past participle of overweather. • OVERWEATHER v. (Shakespeare) to batter by violence of weather. |
| PHOTOENGRAVER | • photoengraver n. A person who makes photoengravings. • PHOTOENGRAVER n. one who does photoengraving. |
| PREHARVESTING | Sorry, definition not available. |
| SUPERACHIEVER | • superachiever n. One who achieves a great deal. • SUPERACHIEVER n. an extreme achiever. |
| UNDERACHIEVER | • underachiever n. One who underachieves, i.e. performs less well than expected. • UNDERACHIEVER n. one that fails to attain a predicted level of achievement or does not do as well as expected. |
| VIDEOGRAPHERS | • videographers n. Plural of videographer. • VIDEOGRAPHER n. a practitioner of videography. |