| ANTIHYDROGENS | • antihydrogens n. Plural of antihydrogen. • ANTIHYDROGEN n. an antimatter form of hydrogen. |
| HYDROGENISING | • hydrogenising v. Present participle of hydrogenise. • HYDROGENISE v. to hydrogenate, also HYDROGENIZE. |
| HYDROQUINONES | • hydroquinones n. Plural of hydroquinone. • HYDROQUINONE n. another name for quinol. |
| HYMENOPTERANS | • hymenopterans n. Plural of hymenopteran. • HYMENOPTERAN n. an order of insect having four membranous wings, e.g. ants, bees, wasps, also HYMENOPTERON. |
| HYMENOPTERONS | • hymenopterons n. Plural of hymenopteron. • HYMENOPTERON n. an order of insect having four membranous wings, e.g. ants, bees, wasps, also HYMENOPTERAN. |
| HYPERTENSIONS | • hypertensions n. Plural of hypertension. • HYPERTENSION n. abnormally or excessively high pressure of arterial blood. |
| MONEYCHANGERS | • moneychangers n. Plural of moneychanger. • money-changers n. Plural of money-changer. • money␣changers n. Plural of money changer. |
| NARCOHYPNOSES | • NARCOHYPNOSIS n. the use of narcotics to produce hypnosis. |
| NASOPHARYNGES | • nasopharynges n. Plural of nasopharynx. • NASOPHARYNX n. the upper part of the pharynx continuous with the nasal passages. |
| NASOPHARYNXES | • nasopharynxes n. Plural of nasopharynx. • NASOPHARYNX n. the upper part of the pharynx continuous with the nasal passages. |
| NONHYSTERICAL | • nonhysterical adj. Not hysterical (prone to hysterics). • NONHYSTERICAL adj. not hysterical. |
| NYCHTHEMERONS | • nychthemerons n. Plural of nychthemeron. • NYCHTHEMERON n. (Greek) a full period of a day and night. |
| PARASYNTHETON | • parasyntheton n. (Grammar) A parasynthetic compound. • PARASYNTHETON n. a word derived from a compound, e.g. come-at-able. |
| PERICYNTHIONS | • pericynthions n. Plural of pericynthion. • PERICYNTHION n. the point at which a spacecraft in lunar orbit is nearest to the moon. |
| REHYPNOTISING | • REHYPNOTISE v. to hypnotise again, also REHYPNOTIZE. |
| RESYNCHRONISE | • resynchronise v. Alternative form of resynchronize. • RESYNCHRONISE v. to synchronise again, also RESYNCHRONIZE. |
| RESYNCHRONIZE | • resynchronize v. To synchronize again. • RESYNCHRONIZE v. to synchronise again, also RESYNCHRONISE. |
| SYNCHONDROSES | • synchondroses n. Plural of synchondrosis. • SYNCHONDROSIS n. synarthrosis in which the bone surfaces are connected by cartilage. |
| SYNCHRONISERS | • synchronisers n. Plural of synchroniser. • SYNCHRONISER n. one who synchronises, also SYNCHRONIZER. |
| SYNCHRONIZERS | • synchronizers n. Plural of synchronizer. • SYNCHRONIZER n. one who synchronizes, also SYNCHRONISER. |