| HYDNOCARPATES | • HYDNOCARPATE n. any salt or ester of hydnocarpic acid. |
| HYPERPARASITE | • hyperparasite n. (Biology) Any parasite whose host is a parasite. • hyperparasite n. (Entomology, specifically) An insect that parasitizes another parasitic insect. • HYPERPARASITE n. a parasite that is parasitic upon another parasite. |
| INTERPANDEMIC | • interpandemic adj. Between pandemics. • INTERPANDEMIC adj. between pandemics. |
| INTERPARIETAL | • interparietal adj. (Anatomy) Between the parietal bones or cartilages. • interparietal n. (Anatomy) The interparietal bone or cartilage. • INTERPARIETAL adj. situated between two parietal bones of the skull. |
| INTERPARTICLE | • interparticle adj. Between particles. • INTERPARTICLE adj. between particles. |
| OVERPACKAGING | • overpackaging v. Present participle of overpackage. • OVERPACKAGE v. to package excessively. |
| SUPERPARTICLE | • superparticle n. (Physics) Any particle that is a superpartner of another. • SUPERPARTICLE n. a particle postulated in supersymmetry theory. |
| SUPERPATRIOTS | • superpatriots n. Plural of superpatriot. • SUPERPATRIOT n. an exceptional patriot. |
| UNDERPAINTING | • underpainting n. (Art) An initial layer of paint, often monochromatic, applied to a ground as a base for subsequent layers. • underpainting n. (Art) A painting that the artist later painted over to create the final work. • UNDERPAINTING n. preliminary painting. |
| UNDERPASSIONS | • UNDERPASSION n. an underlying or subconscious passion. |
| UNDERPAYMENTS | • underpayments n. Plural of underpayment. • UNDERPAYMENT n. an insufficient payment. |
| UNSURPASSABLE | • unsurpassable adj. Not surpassable; unable to be surpassed. • UNSURPASSABLE adj. that cannot be surpassed. |
| UNSURPASSABLY | • unsurpassably adv. In a way that cannot be surpassed; unbeatably. • UNSURPASSABLE adv. that cannot be surpassed. |