| HELICHRYSUM | • helichrysum n. Any of the genus Helichrysum of plants related to the sunflower. • HELICHRYSUM n. a genus of composite plants, the flowers of which keep their colour and shape when dried. |
| HELIOCHROMY | • heliochromy n. (Dated) The art of producing colour photographs. • HELIOCHROMY n. photography in natural colours. |
| HELIOGRAPHY | • heliography n. The scientific study of the sun. • heliography n. The art of making a heliograph. • heliography n. The system of signalling by heliograph. |
| HELIOPHYTES | • heliophytes n. Plural of heliophyte. • HELIOPHYTE n. a plant flourishing in sunlight. |
| HIEROGLYPHS | • hieroglyphs n. Plural of hieroglyph. • HIEROGLYPH n. a character used in a system of hieroglyphic writing, also HIEROGLYPHIC. |
| HOMOPHYLIES | • homophylies n. Plural of homophyly. • HOMOPHYLY n. resemblance due to common ancestry. |
| HYDROPHILES | • hydrophiles n. Plural of hydrophile. • HYDROPHILE n. a plant loving moist places, also HYGROPHILE. |
| HYGROPHILES | • HYGROPHILE n. a plant loving moist places, also HYDROPHILE. |
| HYLOTHEISMS | • HYLOTHEISM n. the doctrine that there is no God but matter and the universe. |
| HYLOTHEISTS | • hylotheists n. Plural of hylotheist. • HYLOTHEIST n. one who identifies God with matter or universe. |
| ICHTHYOLITE | • ichthyolite n. (Obsolete, paleontology) A fossil of a fish. • ICHTHYOLITE n. a fossil fish. |
| LITHOPHYSAE | • LITHOPHYSA n. a bladderlike spherulite, also LITHOPHYSE. |
| LITHOPHYSES | • lithophyses n. Plural of lithophyse. • LITHOPHYSE n. a bladderlike spherulite, also LITHOPHYSA. |
| LITHOPHYTES | • lithophytes n. Plural of lithophyte. • LITHOPHYTE n. a plant that grows on rock. |
| PHYLARCHIES | • phylarchies n. Plural of phylarchy. • PHYLARCHY n. the office of a phylarch; government of a class or tribe. |
| UNHEALTHILY | • unhealthily adv. In an unhealthy manner. • UNHEALTHY adv. not healthy. |
| WHILLYWHAED | • WHILLYWHA v. (Scots) to coax, wheedle, cajole, also WHILLYWHAW. |