12-letter words containing l, e, s, i
- heliogabalus — (Varius Avitus Bassianus"Marcus Aurelius Antoninus") a.d. 204–222, Roman emperor 218–222.
- heliophilous — attracted to sunlight
- heliospheric — Of or pertaining to the heliosphere.
- heliotropism — heliotropic tendency or growth.
- helium flash — the explosive burning of helium in the case of a star of low mass that occurs when the core is so dense that the matter has become degenerate. The burning causes a rapid rise in temperature until it is so high that the gas ceases to be degenerate, after which there is a rapid expansion
- hell-raising — behaviour which causes trouble
- hellaciously — In a hellacious manner.
- helleborines — Plural form of helleborine.
- hellgramites — Plural form of hellgramite.
- helmsmanship — the skill or function of a helmsman
- hematologist — the study of the nature, function, and diseases of the blood and of blood-forming organs.
- hemerocallis — the genus comprising the day lilies.
- hemodialyses — Plural form of hemodialysis.
- hemodialysis — dialysis of the blood, especially with an artificial kidney, for the removal of waste products.
- hemophiliacs — Plural form of hemophiliac.
- henley-shirt — a short- or long-sleeved pullover sport shirt, usually of cotton, with a round neckband and an often covered neckline placket.
- heortologist — a person who studies heortology
- hernioplasty — an operation for the repair of a hernia.
- heron's-bill — stork's-bill (def 1).
- hesitatingly — In a hesitating manner.
- heteroclisis — (grammar) The presence of two or more classes of inflection in the inflectional paradigm of a noun, verb etc.
- heteroclites — Plural form of heteroclite.
- heteroplasia — the replacement of normal cells by abnormal cells, as in cancer.
- heterosocial — relating to or denoting mixed-sex social relationships
- hexasiloxane — (organic chemistry) Any siloxane having six -Si-O- groups.
- high hurdles — a race in which runners leap over hurdles 42 inches (107 cm) high.
- higher still — a system of post-Standard Grade qualifications offered at five levels including Higher and Advanced Higher
- highlighters — Plural form of highlighter.
- highschooler — (US) A student at a high school.
- hiram revels — Hiram Rhoades [rohdz] /roʊdz/ (Show IPA), 1822–1901, U.S. clergyman, educator, and politician: first black senator 1870–71.
- hispaniolize — to make someone Spanish in their cultural attitudes, values, speech, etc
- hispanophile — an admirer of Hispanic culture or the Spanish language.
- hit the silk — the soft, lustrous fiber obtained as a filament from the cocoon of the silkworm.
- hobble skirt — a woman's skirt that is very narrow at the bottom, causing the wearer to walk with short, mincing steps.
- hollingshead — Holinshed.
- holmes light — a canister, attached to a life buoy or float, containing calcium carbonate and calcium phosphide, which ignite spontaneously on contact with the water, emitting conspicuous fire and smoke.
- holopneustic — having all the spiracles open, as the tracheal systems of most insects.
- holy thistle — lady's-thistle.
- homebuilders — Plural form of homebuilder.
- hoovervilles — a collection of huts and shacks, as at the edge of a city, housing the unemployed during the 1930s.
- hopkinsville — a city in S Kentucky.
- horribleness — causing or tending to cause horror; shockingly dreadful: a horrible sight.
- horse pistol — a large pistol formerly carried by horsemen.
- 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.
- hospital bed — a bed having side rails that can be raised or lowered and a mattress base in three jointed sections so that the head, foot, or middle may be raised by a crank or motor, allowing a patient to lie in various positions, as a therapeutic aid or for comfort.
- hospitalised — to place in a hospital for medical care or observation: The doctor hospitalized grandfather as soon as she checked his heart.
- hospitalized — to place in a hospital for medical care or observation: The doctor hospitalized grandfather as soon as she checked his heart.
- hospitalizes — Third-person singular simple present indicative form of hospitalize.
- hostile fire — an unintentional fire, from which any resulting loss can be claimed as an insurance liability (opposed to friendly fire).