| HUSHABYING | • hushabying v. Present participle of hushaby. • HUSHABY v. to sing a lullaby, also HUSHABYE. |
| ICHTHYOFAUNAS | • ichthyofaunas n. Plural of ichthyofauna. • ICHTHYOFAUNA n. the fish life of region. |
| ICHTHYOLATROUS | • ichthyolatrous adj. Fish-worshipping. • ICHTHYOLATROUS adj. worshipping fish. |
| ICHTHYOPHAGOUS | • ichthyophagous adj. (Biology) feeding on fish. • ICHTHYOPHAGOUS adj. fish-eating. |
| ICHTHYOSAUR | • ichthyosaur n. Any of several fishlike marine reptiles of the extinct order Ichthyosauria of the early Triassic to… • ICHTHYOSAUR n. a large fossil marine reptile, also ICHTHYOSAURIAN, ICHTHYOSAURUS. |
| ICHTHYOSAURI | • ichthyosauri n. Plural of ichthyosaur. • ICHTHYOSAURUS n. a large fossil marine reptile, also ICHTHYOSAUR, ICHTHYOSAURIAN. |
| 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. |
| ICHTHYOSAURIANS | • ichthyosaurians n. Plural of ichthyosaurian. • ICHTHYOSAURIAN n. a large fossil marine reptile, also ICHTHYOSAUR, ICHTHYOSAURUS. |
| ICHTHYOSAURS | • ichthyosaurs n. Plural of ichthyosaur. • ICHTHYOSAUR n. a large fossil marine reptile, also ICHTHYOSAURIAN, ICHTHYOSAURUS. |
| ICHTHYOSAURUS | • ichthyosaurus n. (Archaic) Alternative form of ichthyosaur. • ichthyosaurus n. Any members of the genus Ichthyosaurus. • Ichthyosaurus prop.n. A taxonomic genus within the family Ichthyosauridae – large, extinct marine reptiles. |
| ICHTHYOSAURUSES | • ICHTHYOSAURUS n. a large fossil marine reptile, also ICHTHYOSAUR, ICHTHYOSAURIAN. |
| ITHYPHALLUS | • ithyphallus n. A depiction of an erect penis. • Ithyphallus prop.n. (Mycology) Synonym of Phallus (“genus including the common stinkhorn”). • ITHYPHALLUS n. an erect phallus. |
| ITHYPHALLUSES | • ITHYPHALLUS n. an erect phallus. |
| PHENYLTHIOUREAS | • phenylthioureas n. Plural of phenylthiourea. • 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). |
| SPATHIPHYLLUM | • spathiphyllum n. (Botany) Any plant of the genus Spathiphyllum. • SPATHIPHYLLUM n. any tropical plant of the genus Spathiphyllum, having lance-shaped leaves and fleshy white spadices of flowers in white spathes. |
| SPATHIPHYLLUMS | • spathiphyllums n. Plural of spathiphyllum. • SPATHIPHYLLUM n. any tropical plant of the genus Spathiphyllum, having lance-shaped leaves and fleshy white spadices of flowers in white spathes. |
| SUPERHIGHWAY | • superhighway n. (US) An expressway, especially one designed for high speeds. • superhighway n. (By extension) A major route that carries most of the traffic going in a given direction by a specified… • superhighway n. (Metaphoric) The primary mechanism used in the movement of electronic data or information; information superhighway. |
| SUPERHIGHWAYS | • superhighways n. Plural of superhighway. • SUPERHIGHWAY n. a multilane highway (as an expressway or turnpike) designed for high-speed traffic. |
| UNTHRIFTYHEADS | • UNTHRIFTYHEAD n. (Spenser) unthriftiness, also UNTHRIFTYHED. |