| ETHEPHONS | • ETHEPHON n. a synthetic plant growth regulator. |
| HEADPHONE | • headphone n. A cushioned speaker placed on, over, or inside the ear, normally used in left/right pairs. • HEADPHONE n. an audio receiver worn in pairs over the ears, esp. for listening to a radio, cassette player, etc. |
| HEDGEHOPS | • hedgehops v. Third-person singular simple present indicative form of hedgehop. • hedge-hops v. Third-person singular simple present indicative form of hedge-hop. • HEDGEHOP v. of a plane, to fly at ground level. |
| HEDYPHANE | • hedyphane n. (Mineralogy) A hexagonal-dipyramidal mineral containing arsenic, calcium, chlorine, lead, and oxygen. • HEDYPHANE n. a white variety of green lead ore, arsenate, phosphate and chlorate of lead and calcium with barium. |
| HELOPHYTE | • helophyte n. (Botany) Any plant (typically found in marshy ground) whose buds overwinter under water. • HELOPHYTE n. any perennial marsh plant that bears its overwintering buds in the mud below the surface. |
| HEMOPHILE | • HEMOPHILE n. a person with hemophilia, also HAEMOPHILE. |
| HYPHENATE | • hyphenate v. (Transitive) to break a word at the end of a line according to the hyphenation rules by adding a hyphen… • hyphenate v. (Transitive) to join words or syllables with a hyphen. • hyphenate n. A person or object with multiple duties, abilities or characteristics, such as "writer-director", "actor-model"… |
| HYPHENISE | • HYPHENISE v. to put a hyphen in, also HYPHENIZE. |
| HYPHENIZE | • hyphenize v. (Rare) Synonym of hyphenate. • HYPHENIZE v. to put a hyphen in, also HYPHENISE. |
| NAPHTHENE | • naphthene n. (Organic chemistry) Any cycloalkane (or alkyl derivative). • NAPHTHENE n. a peculiar hydrocarbon occurring as an ingredient of Caucasian petroleum. |
| PAHOEHOES | • pahoehoes n. Plural of pahoehoe. • PAHOEHOE n. (Hawaiian) a hardened lava with a smooth or ropy surface. |
| PHOSPHENE | • phosphene n. A sensation of lights induced by mechanical, electrical, or magnetic stimulation (rather than optical)… • PHOSPHENE n. a visual sensation produced by mechanical stimulation of the retina, as by pressure on the eyeball. |
| RHEOPHILE | • rheophile n. Any organism that thrives in the presence of running water. • RHEOPHILE adj. living in flowing water, also RHEOPHIL. • RHEOPHILE n. a creature that lives in flowing water, also RHEOPHIL. |
| SHEEPHEAD | • sheephead n. (Card games) Alternative form of sheepshead. • SHEEPHEAD n. a large and valuable sparoid food fish found on the Atlantic coast of the United States, also SHEEPSHEAD. |
| SHEPHERDS | • shepherds n. Plural of shepherd. • shepherds v. Third-person singular simple present indicative form of shepherd. • SHEPHERD v. to watch over carefully. |
| THIOPHENE | • thiophene n. (Organic chemistry) Any of a class of aromatic heterocyclic compounds containing a ring of four carbon… • THIOPHENE n. a five-membered heterocyclic compound with sulphur, also THIOPHEN. |