| CHLORENCHYMA | • chlorenchyma n. (Botany) A mechanical, supportive ground tissue in plants containing chloroplasts. • CHLORENCHYMA n. plant stem tissue containing chlorophyll. |
| HELIOTHERAPY | • heliotherapy n. Any medical therapy by exposure to light. • HELIOTHERAPY n. medical treatment by exposure to the sun's rays. |
| HETEROPHYLLY | • heterophylly n. (Botany) Marked changes in leaf morphology induced by environmental conditions; the ability to display such changes. • heterophylly n. (Botany) Significant variation in leaf shape on a same plant. • HETEROPHYLLY n. the state of being heterophyllous. |
| HETEROTHALLY | • heterothally n. Heterothallism. • HETEROTHALLY n. the state of being heterothallic, also HETEROTHALLISM. |
| HIEROGLYPHED | • hieroglyphed adj. Inscribed with hieroglyphs. • HIEROGLYPH v. to represent by hieroglyphs. |
| HIEROGLYPHIC | • hieroglyphic n. (Chiefly in the plural) A writing system of ancient Egypt, Minoans, Maya and other civilizations, using… • hieroglyphic n. Any symbol used in this system; a hieroglyph. • hieroglyphic n. (By extension) Undecipherable handwriting or secret symbol. |
| HYDROCEPHALI | • hydrocephali n. Plural of hydrocephalus. • HYDROCEPHALUS n. an accumulation of serous fluid within the cranial cavity, also HYDROCEPHALY. |
| HYDROCEPHALY | • hydrocephaly n. Hydrocephalus. • HYDROCEPHALY n. an accumulation of serous fluid within the cranial cavity, also HYDROCEPHALUS. |
| HYDROPHILIES | • HYDROPHILY n. an affinity for water. |
| HYDROPHILITE | • hydrophilite n. (Mineralogy) A soft white mineral formed from anhydrous calcium chloride. • HYDROPHILITE n. native calcium chloride. |
| HYDROTHERMAL | • hydrothermal adj. Of, or relating to hot water. • hydrothermal adj. (Geology) Of or relating to emanations of hot water that are rich in minerals, or to the rocks formed from them. • HYDROTHERMAL adj. designating naturally hot underground water that has geological effects. |
| HYPOCHLORITE | • hypochlorite n. (Chemistry) any salt of hypochlorous acid; used as a household bleach. • HYPOCHLORITE n. a salt of hypochlorous acid. |
| METHOXYCHLOR | • methoxychlor n. (Organic chemistry) A synthetic organochlorine used as an insecticide. • METHOXYCHLOR n. a relatively nontoxic organochlorine insecticide. |
| ORTHOCEPHALY | • orthocephaly n. The condition of being orthocephalic. • ORTHOCEPHALY n. the state of being orthocephalic. |
| PHLEBOGRAPHY | • phlebography n. An X-ray examination of a system of veins that have been injected with a contrast medium. • PHLEBOGRAPHY n. radiography of a vein after injection of a contrast medium, aka venography. |
| PHYLLOSPHERE | • phyllosphere n. (Biology) The above-ground surface of plants, viewed as a habitat for microorganisms. • PHYLLOSPHERE n. the surface of a leaf considered as a habitat, esp. for microorganisms. |
| RHYNCHOCOELS | • rhynchocoels n. Plural of rhynchocoel. • RHYNCHOCOEL n. the cavity in which the proboscis of a nemertine lies. |