| CHARMONIUM | • charmonium n. (Physics) Any meson formed from a charm quark and its antiquark. • CHARMONIUM n. any of various elementary particles consisting of a charm quark and an antiquark. |
| EUHARMONIC | • euharmonic adj. (Rare) Pleasingly melodious or harmonious — applied especially to the euharmonic organ invented by Henry… • EUHARMONIC adj. producing mathematically perfect harmony or concord; sweetly or perfectly harmonious. |
| HARMONIOUS | • harmonious adj. Showing accord in feeling or action. • harmonious adj. Having components pleasingly or appropriately combined. • harmonious adj. Melodious; in harmony. |
| HARMONIUMS | • harmoniums n. Plural of harmonium. • HARMONIUM n. a keyboard instrument in which reeds are made to vibrate by air from a pedal-operated bellows. |
| HOMUNCULAR | • homuncular adj. Of or pertaining to a homunculus. • HOMUNCULAR adj. of or like a homunculus. |
| HONORARIUM | • honorarium n. Compensation for services that do not have a predetermined value. • HONORARIUM n. a voluntary fee paid esp. to a professional person for their services. |
| HUMDURGEON | • HUMDURGEON n. an imaginary illness. |
| HYDRONIUMS | • hydroniums n. Plural of hydronium. • HYDRONIUM n. the hydrated hydrogen ion, H3O+. |
| KRUMMHORNS | • krummhorns n. Plural of krummhorn. • KRUMMHORN n. (German) an ancient double-reed wind instrument, also CREMONA, CREMORNE, CROMORNA, CROMORNE, CRUMHORN, KRUMHORN. |
| LUNCHROOMS | • lunchrooms n. Plural of lunchroom. • LUNCHROOM n. a room where lunch is served. |
| NEUROHUMOR | • neurohumor n. (Biochemistry) Any material produced in a neuron that activates a neighbouring neuron, muscle or gland;… • NEUROHUMOR n. a neurohormone, esp. a neurotransmitter, also NEUROHUMOUR. |
| PROTOHUMAN | • protohuman adj. Pertaining to the first humans or the beginning of humankind. • protohuman n. One of the earliest humans preceding Homo sapiens. • proto-human adj. Alternative form of protohuman. |
| RHUMBATRON | • RHUMBATRON n. a cavity resonator. |
| UNHOMELIER | • UNHOMELY adj. not homely. |
| UNHUMOROUS | • unhumorous adj. Not humorous. • UNHUMOROUS adj. not humorous. |
| UNMOTHERLY | • unmotherly adj. Not motherly; unmaternal. • UNMOTHERLY adj. not motherly. |