| HELMINTHOLOGY | • helminthology n. (Zoology) The branch of zoology related to the study of helminths (parasitic worms). • HELMINTHOLOGY n. the study of parasitic worms. |
| HIEROGLYPHING | • hieroglyphing v. Present participle of hieroglyph. • HIEROGLYPH v. to represent by hieroglyphs. |
| HONEYMONTHING | • HONEYMONTH v. (obsolete) to spend one's honeymoon, also HONEYMOON. |
| HYMNOGRAPHERS | • hymnographers n. Plural of hymnographer. • HYMNOGRAPHER n. one who writes hymns. |
| HYMNOGRAPHIES | • HYMNOGRAPHY n. the study of writing hymns. |
| HYPERCHARGING | • HYPERCHARGE v. to charge excessively, to overload. |
| HYPERPHRYGIAN | • HYPERPHRYGIAN adj. above the Phrygian; applied to a mode of ancient Greek music having as its lower tetrachord the upper tetrachord of the Phrygian. |
| HYPOPHARYNGES | • hypopharynges n. Plural of hypopharynx. • HYPOPHARYNX n. an appendage or thickened fold on the floor of the mouth of many insects that resembles a tongue. |
| HYPOTHECATING | • hypothecating v. Present participle of hypothecate. • HYPOTHECATE v. to pledge as security without title or possession. |
| HYPOTHESISING | • hypothesising v. Present participle of hypothesise. • HYPOTHESISE v. to form a hypothesis, also HYPOTHESIZE, HYPOTHETISE, HYPOTHETIZE. |
| HYPOTHESIZING | • hypothesizing v. Present participle of hypothesize. • HYPOTHESIZE v. to make a hypothesis, also HYPOTHESISE, HYPOTHETISE, HYPOTHETIZE. |
| HYPOTHETISING | • hypothetising v. Present participle of hypothetise. • HYPOTHETISE v. to form a hypothesis, also HYPOTHESISE, HYPOTHESIZE, HYPOTHETIZE. |
| HYPOTHETIZING | • hypothetizing v. Present participle of hypothetize. • HYPOTHETIZE v. to form a hypothesis, also HYPOTHESISE, HYPOTHESIZE, HYPOTHETISE. |
| ONYCHOPHAGIES | • ONYCHOPHAGY n. the habit of biting one's fingernails. |
| ORTHOHYDROGEN | • orthohydrogen n. (Physics) form of the hydrogen molecule (H2) in which the two nuclei have parallel spin; about 75% of… • ORTHOHYDROGEN n. the form of molecular hydrogen, constituting about 75 per cent of the total at normal temperatures, in which the nuclei of the atoms spin in the same direction. |
| PHYTOPATHOGEN | • phytopathogen n. (Biology) Any organism that is pathogenic to plants. • PHYTOPATHOGEN n. an organism parasitic on a plant host. |
| SPHYGMOPHONES | • sphygmophones n. Plural of sphygmophone. • SPHYGMOPHONE n. an instrument for hearing the pulse. |