10-letter words containing h, a, o
- head wound — a wound to the head
- headboards — Plural form of headboard.
- headcollar — A bitless headpiece for leading or tying up a horse.
- headphones — Audio. a headset designed for use with a stereo system.
- heads down — [Sun] Concentrating, usually so heavily and for so long that everything outside the focus area is missed. See also hack mode and larval stage, although this mode is hardly confined to fledgling hackers.
- headstocks — Plural form of headstock.
- headstones — Plural form of headstone.
- headstrong — determined to have one's own way; willful; stubborn; obstinate: a headstrong young man.
- healthfood — Alternative spelling of health food.
- healthsome — healthy; salubrious
- heartbroke — heartbroken
- heartthrob — a rapid beat or pulsation of the heart.
- heartworms — Plural form of heartworm.
- heath cock — the male of the black grouse.
- heathendom — (in historical contexts) an individual of a people that do not acknowledge the God of the Bible; a person who is neither a Jew, Christian, nor Muslim; a pagan.
- heatstroke — a disturbance of the temperature-regulating mechanisms of the body caused by overexposure to excessive heat, resulting in fever, hot and dry skin, and rapid pulse, sometimes progressing to delirium and coma.
- heave down — to raise or lift with effort or force; hoist: to heave a heavy ax.
- hebdomadal — taking place, coming together, or published once every seven days; weekly: hebdomadal meetings; hebdomadal groups; hebdomadal journals.
- hebdomadar — (in Scottish universities and grammar schools) a name given to the member of staff whose weekly turn it is to supervise the behaviour of students
- hectograms — Plural form of hectogram.
- hectograph — a process for making copies of a letter, memorandum, etc., from a prepared gelatin surface to which the original writing has been transferred.
- hegemonial — hegemonic, controlling, dominant
- hektograph — to copy with the hectograph.
- helicoidal — coiled or curving like a spiral.
- heligoland — Helgoland.
- heliograph — a device for signaling by means of a movable mirror that reflects beams of light, especially sunlight, to a distance.
- heliolatry — worship of the sun.
- heliopause — the boundary of the heliosphere.
- heliostats — Plural form of heliostat.
- heliotaxis — movement of an organism toward or away from sunlight.
- hellacious — remarkable; astonishing: They're raising a hellacious amount of money in taxes.
- helmswoman — The female equivalent of a helmsman.
- hemachrome — Alternative form of haemachrome.
- hemangioma — See under angioma.
- hematocele — hemorrhage into a cavity, as the cavity surrounding the testis.
- hematocrit — a centrifuge for separating the cells of the blood from the plasma.
- hematocyst — a cyst containing blood.
- hematocyte — hemocyte.
- hematoidin — ErrorTitleDiv {.
- hematology — the study of the nature, function, and diseases of the blood and of blood-forming organs.
- hematozoon — a parasitic protozoan that lives in the blood.
- hemianopia — any of several conditions in which there is blindness in half of the visual field, involving one or both eyes.
- hemianopic — having or relating to hemianopia
- hemikaryon — a haploid nucleus.
- hemitropal — hemitropous
- hemocyanin — a blue, copper-containing respiratory pigment in the plasma of many invertebrates.
- hemophilia — any of several X-linked genetic disorders, symptomatic chiefly in males, in which excessive bleeding occurs owing to the absence or abnormality of a clotting factor in the blood.
- hemophobia — an abnormal fear of blood.
- hemorrhage — a profuse discharge of blood, as from a ruptured blood vessel; bleeding.
- hemostasis — the stoppage of bleeding.