| HYOSCYAMINES | • hyoscyamines n. Plural of hyoscyamine. • HYOSCYAMINE n. a drug obtained from henbane. |
| HYOSCYAMUSES | • hyoscyamuses n. Plural of hyoscyamus. • HYOSCYAMUS n. any plant of the solanaceous genus Hyoscyamus, including henbane. |
| ICHTHYOCOLLA | • ichthyocolla n. (Archaic) Fish glue, isinglass; a glue prepared from the sounds (swimming bladders) of various fishes. • ICHTHYOCOLLA n. fish-glue; isinglass. |
| ICHTHYOFAUNA | • ichthyofauna n. The fish of a particular region. • ICHTHYOFAUNA n. the fish life of region. |
| ICHTHYOLATRY | • ichthyolatry n. The worship of fish, or of fish-shaped idols. • ICHTHYOLATRY n. the worship of fish. |
| ICHTHYOLITES | • ichthyolites n. Plural of ichthyolite. • ICHTHYOLITE n. a fossil fish. |
| ICHTHYOLITIC | • ichthyolitic adj. Relating to an ichthyolite. • ICHTHYOLITIC adj. of or like an ichthyolite, a fossil fish. |
| ICHTHYOLOGIC | • ichthyologic adj. Of or belonging to ichthyology or ichthyic. • ichthyologic adj. The ichthyological attributes or characteristics (of an area), the fishes (of a region) as the objects… • ICHTHYOLOGIC adj. relating to ichthyology, also ICHTHYOLOGICAL. |
| ICHTHYOPHAGY | • ichthyophagy n. (Archaic) The practice of eating fish. • ICHTHYOPHAGY n. the eating of fish. |
| ICHTHYOPSIDS | • ICHTHYOPSID n. a member of the Ichthyopsida, amphibians, fishes and fishlike vertebrates, also ICHTHYOPSIDAN. |
| ICHTHYOSAURI | • ichthyosauri n. Plural of ichthyosaur. • ICHTHYOSAURUS n. a large fossil marine reptile, also ICHTHYOSAUR, ICHTHYOSAURIAN. |
| ICHTHYOSAURS | • ichthyosaurs n. Plural of ichthyosaur. • ICHTHYOSAUR n. a large fossil marine reptile, also ICHTHYOSAURIAN, ICHTHYOSAURUS. |
| MONOPHYODONT | • monophyodont adj. (Biology) Having only one set of teeth. • monophyodont n. (Biology) Any organism with only one set of teeth. • MONOPHYODONT n. an animal with only one set of teeth. |
| POLYPHYODONT | • polyphyodont n. Any animal whose teeth are continuously replaced. • POLYPHYODONT adj. having more than two successive dentitions. |