12-letter words containing a, s, l, o
- headlongness — Headlong quality or speed; precipitateness.
- headstrongly — In a headstrong manner.
- hearing loss — diminished ability to hear
- helicographs — Plural form of helicograph.
- heliogabalus — (Varius Avitus Bassianus"Marcus Aurelius Antoninus") a.d. 204–222, Roman emperor 218–222.
- hellaciously — In a hellacious manner.
- hells canyon — a canyon on the Snake River in S Idaho and along the Oregon border: 125 miles (210 km) long with a maximum depth of about 7900 feet (2408 meters).
- hematoblasts — Plural form of hematoblast.
- hematocolpos — (medicine) A medical condition in which the vagina fills with menstrual blood, often caused by the combination of menstruation with an imperforate hymen.
- 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.
- hernioplasty — an operation for the repair of a hernia.
- heteroblasty — the morphological changes that occur in plants between juvenility and adulthood
- heteroplasia — the replacement of normal cells by abnormal cells, as in cancer.
- heteroplasty — the repair of lesions with tissue from another individual or species.
- heterosexual — of, relating to, or exhibiting heterosexuality.
- heterosocial — relating to or denoting mixed-sex social relationships
- hexasiloxane — (organic chemistry) Any siloxane having six -Si-O- groups.
- hill station — a village, post, or the like, especially in S Asia, at a high altitude where government officials and others can be stationed to escape the great heat of tropical summers.
- hispaniolize — to make someone Spanish in their cultural attitudes, values, speech, etc
- hispanophile — an admirer of Hispanic culture or the Spanish language.
- histological — the branch of biology dealing with the study of tissues.
- historically — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- histrionical — (British) Alternative form of histrionic.
- hofmannsthal — Hugo von [hoo-goh fuh n] /ˈhu goʊ fən/ (Show IPA), 1874–1929, Austrian poet, playwright, and librettist.
- hojatoleslam — a title of respect given to an ayatollah or a middle-ranking Shiite cleric, which means literally 'proof of Islam'
- hold against — resent sb for sth
- holistically — incorporating the concept of holism, or the idea that the whole is more than merely the sum of its parts, in theory or practice: holistic psychology.
- holkar state — a former state of central India, ruled by the Holkar dynasty of Maratha rulers of Indore (18th century until 1947)
- hollingshead — Holinshed.
- holophrastic — using or consisting of a single word that functions as a phrase or sentence.
- holothurians — Plural form of holothurian.
- homo habilis — an extinct species of upright East African hominid having some advanced humanlike characteristics, dated as being from about 1.5 million to more than 2 million years old and proposed as an early form of Homo leading to modern humans.
- homosexually — In a homosexual way.
- horse parlor — a gambling room where people can bet on horse races with a bookmaker.
- 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.
- horse-collar — (especially in baseball) a score of zero.
- horse-dealer — a person who buys and sells horses as a profession
- horseplayers — Plural form of horseplayer.
- 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.
- hospitalists — Plural form of hospitalist.
- 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.
- house league — a sports league in which the members of all teams belong to the same organization, school, or company
- housecleaner — Someone employed to clean a house.