| CHRISTOPHANY | • Christophany n. An appearance of Christ, as for example to his disciples after the crucifixion. • CHRISTOPHANY n. an appearance of Christ to men.
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| HYDROPHANOUS | • hydrophanous adj. (Mineralogy) Made transparent by immersion in water. • HYDROPHANOUS adj. becoming transparent when placed in water.
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| HYDROPHYTONS | • HYDROPHYTON n. the coenosarc of a hydroid colony. | 
| HYMENOPHORES | • hymenophores n. Plural of hymenophore. • HYMENOPHORE n. the fruiting body of some basidiomycetous fungi.
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| HYPERSTHENES | • hypersthenes n. Plural of hypersthene. • HYPERSTHENE n. a rock-forming orthorhombic silicate of magnesium and ferrous iron.
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| HYPERSTHENIA | • hypersthenia n. (Pathology, archaic) A morbid condition marked by excessive excitement of all the vital phenomena. • HYPERSTHENIA n. a morbid condition marked by excessive excitement of all the vital phenomena.
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| HYPERSTHENIC | • hypersthenic adj. (Mineralogy) Composed of, or containing, hypersthene. • hypersthenic adj. Having or relating to hypersthenia.
 • hypersthenic n. A person who has hypersthenia.
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| HYPHENATIONS | • hyphenations n. Plural of hyphenation. • HYPHENATION n. the act of hyphenating.
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| HYPNOPHOBIAS | • HYPNOPHOBIA n. an irrational fear of sleep. | 
| HYPOGNATHISM | • hypognathism n. The property of being hypognathous. • HYPOGNATHISM n. the state of being hypognathous.
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| HYPOGNATHOUS | • hypognathous adj. (Zoology) Having the maxilla, or lower jaw, longer than the upper jaw. • HYPOGNATHOUS adj. having the lower jaw or mandible protruding.
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| HYPOSTHENIAS | • HYPOSTHENIA n. lack of strength. | 
| HYPOTHENUSES | • hypothenuses n. (Dated) plural of hypothenuse. • HYPOTHENUSE n. the longest side of a right-angled triangle, also HYPOTENUSE.
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| PHYCOPHAEINS | • PHYCOPHAEIN n. a brown pigment found in seaweeds. | 
| PHYTOBENTHOS | • phytobenthos n. (Biology) benthic organisms that are plants or algae. • PHYTOBENTHOS n. plants living at the bottom of water collectively.
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| SPHYGMOPHONE | • sphygmophone n. (Physiology) An electrical instrument for determining by ear the rhythm of the pulse of a person at a distance. • SPHYGMOPHONE n. an instrument for hearing the pulse.
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| SYCOPHANTISH | • sycophantish adj. (Archaic) sycophantic. • SYCOPHANTISH adj. like a sycophant.
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| XANTHOPHYLLS | • xanthophylls n. Plural of xanthophyll. • XANTHOPHYLL n. a yellow carotenoid pigment found with chlorophyll in green plants and in egg yolks, also XANTHOPHYL.
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