| EXOPEPTIDASES | • exopeptidases n. Plural of exopeptidase. • EXOPEPTIDASE n. any of a group of enzymes that hydrolyze peptide bonds. |
| EXPROPRIATORS | • expropriators n. Plural of expropriator. • EXPROPRIATOR n. one who expropriates. |
| HYPERPROSEXIA | • hyperprosexia n. (Medicine, rare) Excessive attention; an abnormal state in which a person concentrates on one thing… • HYPERPROSEXIA n. abnormal powers of perception, as in Australian aboriginal trackers. |
| HYPERPYREXIAS | • hyperpyrexias n. Plural of hyperpyrexia. • HYPERPYREXIA n. an extremely high fever, with a temperature of 41 degrees Centigrade or above, also HYPERTHERMY. |
| HYPOPHARYNXES | • hypopharynxes n. Plural of hypopharynx. • HYPOPHARYNX n. an appendage or thickened fold on the floor of the mouth of many insects that resembles a tongue. |
| PERPLEXEDNESS | • perplexedness n. The quality of being perplexed; bafflement; confusion. • perplexedness n. (Obsolete) The quality of being intricate, complicated or entangled. • PERPLEXEDNESS n. the state of being perplexed. |
| PRAXINOSCOPES | • praxinoscopes n. Plural of praxinoscope. • PRAXINOSCOPE n. an instrument with mirrors in which a series of moving drawings appear as a continuously moving picture; an early form of cinematograph. |
| PROPOXYPHENES | • propoxyphenes n. Plural of propoxyphene. • PROPOXYPHENE n. a narcotic analgesic structurally related to methadone but less addicting. |
| PROPRIETRIXES | • proprietrixes n. Plural of proprietrix. • PROPRIETRIX n. a female proprietor, also PROPRIETRESS. |
| XIPHIPLASTRAL | • xiphiplastral adj. Relating to a xiphiplastron. • XIPHIPLASTRAL n. a type of chelonian. |
| XIPHIPLASTRON | • xiphiplastron n. The posterior, or fourth lateral plate in the plastron of a turtle. • XIPHIPLASTRON n. in chelonians, one of the plates forming the plastron, lying posterior to the hypoplastron. |
| XIPHOPHYLLOUS | • xiphophyllous adj. (Botany) Having sword-shaped leaves. • XIPHOPHYLLOUS adj. having sword-shaped leaves. |