12-letter words containing h, a, r, e, l, i
- helical gear — a cylindrical gear wheel whose teeth follow the pitch surface in a helical manner.
- helical rack — a rack having teeth set at an oblique angle to the edges. Compare rack1 (def 5).
- helicobacter — Any member of the Helicobacter bacteria.
- helicographs — Plural form of helicograph.
- heliographed — Simple past tense and past participle of heliograph.
- heliographer — (obsolete) Photographer.
- heliographic — a device for signaling by means of a movable mirror that reflects beams of light, especially sunlight, to a distance.
- heliogravure — photoengraving.
- heliotherapy — treatment of disease by means of sunlight.
- hell-raising — behaviour which causes trouble
- hellgramites — Plural form of hellgramite.
- hellgrammite — the aquatic larva of a dobsonfly, used as bait in fishing.
- hemerocallis — the genus comprising the day lilies.
- hemodialyzer — artificial kidney.
- hemorrhoidal — Usually, hemorrhoids. Pathology. an abnormally enlarged vein mainly due to a persistent increase in venous pressure, occurring inside the anal sphincter of the rectum and beneath the mucous membrane (internal hemorrhoid) or outside the anal sphincter and beneath the surface of the anal skin (external hemorrhoid)
- heraldically — of, relating to, or characteristic of heralds or heraldry: heraldic form; heraldic images; heraldic history; a heraldic device.
- herbicidally — from a herbicidal point of view
- hereditarily — passing, or capable of passing, naturally from parent to offspring through the genes: Blue eyes are hereditary in our family. Compare congenital.
- heritability — capable of being inherited; inheritable; hereditary.
- hermetically — so as to be airtight: hermetically sealed.
- hernioplasty — an operation for the repair of a hernia.
- heroicomical — blending heroic and comic elements: a heroicomic poem.
- heteroplasia — the replacement of normal cells by abnormal cells, as in cancer.
- heterosocial — relating to or denoting mixed-sex social relationships
- hexachloride — a chloride containing six atoms of chlorine.
- hexafluoride — a fluoride containing six atoms of fluorine.
- hexobarbital — a barbiturate with hypnotic and sedative properties
- hibernaculum — a protective case or covering, especially for winter, as of an animal or a plant bud.
- hierarchical — of, belonging to, or characteristic of a hierarchy.
- hieratically — In a hieratic way.
- highly rated — generally considered to be of high quality
- hinterlander — One who lives in the hinterland.
- hiram revels — Hiram Rhoades [rohdz] /roʊdz/ (Show IPA), 1822–1901, U.S. clergyman, educator, and politician: first black senator 1870–71.
- holidaymaker — vacationer.
- horometrical — Relating to horometry.
- horse trials — a competitive sporting event at which riders have to show their skill in dressage, show-jumping, and cross-country
- horse's tail — burro's tail.
- humeral veil — a fringed scarf, usually white and ornamented in the middle, worn over the shoulders by a priest or subdeacon during certain parts of a High Mass.
- hydraulicked — (of an extracted mineral) excavated using water
- hydroelastic — undergoing a change in elasticity as a result of the flow of water or another fluid
- hyper-social — relating to, devoted to, or characterized by friendly companionship or relations: a social club.
- hyperalgesia — an exaggerated sense of pain (opposed to hypalgesia).
- hyperalgesic — Of or pertaining to hyperalgesia.
- hyperbolical — having the nature of hyperbole; exaggerated.
- hyperinflate — to subject to hyperinflation: hyperinflated prices.
- hyperkalemia — an abnormally high concentration of potassium in the blood.
- hyperkalemic — Having a high percentage of potassium in one's blood.
- hyperlipemia — excessive amounts of fat and fatty substances in the blood; lipemia.
- hyperlogical — reasoning in accordance with the principles of logic, as a person or the mind: logical thinking.
- hypermagical — produced by or as if by magic: The change in the appearance of the room was magical.