| HEBETUDINOSITY | • hebetudinosity n. The quality of being hebetudinous. • HEBETUDINOSITY n. the state of being hebetudinous, dull or lethargic. |
| HYDROPNEUMATIC | • hydropneumatic adj. Operated by both fluid and air power. • hydropneumatic adj. Being, or pertaining to, a type of automotive suspension system based on a nitrogen springing medium. • HYDROPNEUMATIC adj. utilizing water and air acting together. |
| HYPERFUNCTIONS | • hyperfunctions n. Plural of hyperfunction. • HYPERFUNCTION n. the overactivity of a gland or other bodily organ. |
| ICHTHYOSAURIAN | • ichthyosaurian adj. (Paleontology) Of or relating to the Ichthyosauria. • ichthyosaurian n. (Paleontology) Any of the Ichthyosauria; an ichthyosaur. • ICHTHYOSAURIAN n. a large fossil marine reptile, also ICHTHYOSAUR, ICHTHYOSAURUS. |
| NEUROCHEMISTRY | • neurochemistry n. (Biochemistry) The branch of neuroscience concerned with the chemistry of the nervous system. • NEUROCHEMISTRY n. the study of the chemical makeup and activities of nervous tissue. |
| PHENYLTHIOUREA | • phenylthiourea n. Phenylthiocarbamide. • PHENYLTHIOUREA n. a crystalline compound used to test for the presence of a certain dominant gene (the compound tasting bitter to those who possess the gene). |
| PHYTONUTRIENTS | • phytonutrients n. Plural of phytonutrient. |
| PSYCHOLINGUIST | • psycholinguist n. A practitioner of psycholinguistics. • PSYCHOLINGUIST n. a student of psycholinguistics. |
| PSYCHONEUROTIC | • psychoneurotic adj. Pertaining to or suffering from a psychoneurosis. • psychoneurotic n. Someone suffering from a psychoneurosis. • PSYCHONEUROTIC adj. relating to psychoneurosis. |
| THYROGLOBULINS | • thyroglobulins n. Plural of thyroglobulin. • THYROGLOBULIN n. an iodine-containing protein of the thyroid gland that is the precursor of thyroxine and triiodothyronine. |
| TURBOMACHINERY | • turbomachinery n. Turbomachines collectively. • TURBOMACHINERY n. machinery consisting of, incorporating, or constituting a turbine. |
| UNHISTORICALLY | • unhistorically adv. In an unhistoric or unhistorical manner. |
| UNPRAISEWORTHY | • unpraiseworthy adj. Not praiseworthy. • UNPRAISEWORTHY adj. not praiseworthy. |
| UNTOUCHABILITY | • untouchability n. The state or condition of being untouchable. • UNTOUCHABILITY n. the state of being untouchable. |