12-letter words containing h, i, l, a, r, o
- harmonic law — any one of three laws governing planetary motion: each planet revolves in an ellipse, with the sun at one focus; the line connecting a planet to the sun sweeps out equal areas in equal periods of time (law of areas) or the square of the period of revolution of each planet is proportional to the cube of the semimajor axis of the planet's orbit (harmonic law)
- harmonically — pertaining to harmony, as distinguished from melody and rhythm.
- harmoniously — marked by agreement in feeling, attitude, or action: a harmonious group.
- harmonizable — That can be harmonized.
- hearing loss — diminished ability to hear
- 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.
- 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)
- 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
- historically — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- histrionical — (British) Alternative form of histrionic.
- holidaymaker — vacationer.
- holophrastic — using or consisting of a single word that functions as a phrase or sentence.
- holothurians — Plural form of holothurian.
- honorability — (American spelling) Alternative form of honourability.
- horizontally — at right angles to the vertical; parallel to level ground.
- horometrical — Relating to horometry.
- horrifically — causing horror.
- 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.
- hydroelastic — undergoing a change in elasticity as a result of the flow of water or another fluid
- hydrological — the science dealing with the occurrence, circulation, distribution, and properties of the waters of the earth and its atmosphere.
- hydronically — in a hydronic manner; in a manner relating to a heating system that uses water
- hydroplaning — a seaplane.
- hydrosalpinx — A distally blocked Fallopian tube filled with serous or clear fluid.
- hyper-social — relating to, devoted to, or characterized by friendly companionship or relations: a social club.
- hyperbolical — having the nature of hyperbole; exaggerated.
- hyperlogical — reasoning in accordance with the principles of logic, as a person or the mind: logical thinking.
- hypervolemia — (medicine) An abnormal increase in the volume of blood circulating through the body.
- hypoallergic — Hypoallergenic.
- hypocritical — of the nature of hypocrisy, or pretense of having virtues, beliefs, principles, etc., that one does not actually possess: The parent who has a “do what I say and not what I do” attitude can appear hypocritical to a child.
- ichthyolatry — The worship of fishes, or of fish-shaped idols.
- inhalatorium — a room or building in which vapours are breathed in
- inharmonical — Alternative form of inharmonic.
- ischiorectal — (anatomy) Of or pertaining to the region between the rectum and the ischial tuberosity.
- isothermally — occurring at constant temperature.
- keratohyalin — (biology) A protein structure found in granules in the stratum granulosum of the epidermis, which may be involved in keratinization, and in Hassall corpuscles in the thymus.