15-letter words containing h, o, a
- hypocrystalline — (of igneous rocks) having both glass and crystalline components
- hypodorian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from A to A, with the final on D.
- hypoinsulinemia — (medicine) An abnormally low level of insulin in the blood.
- hypoionian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from G to G, with the final on C.
- hypolydian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from C to C, with the final on F.
- hypomagnesaemia — the condition of having too little magnesium in the blood, particularly in cattle, in which it is also known as lactation tetany
- hypopituitarism — abnormally diminished activity of the pituitary gland, especially of the anterior lobe.
- hypoproteinemia — an abnormally low concentration of protein in the blood.
- hypostatization — to treat or regard (a concept, idea, etc.) as a distinct substance or reality.
- hypoventilating — Present participle of hypoventilate.
- hypoventilation — Breathing at an abnormally slow rate, resulting in an increased amount of carbon dioxide in the blood.
- hypovitaminosis — Insufficiency of one or more essential vitamins in the body.
- ideographically — an ideogram.
- immunopathology — the study of diseases having an immunologic or allergic basis.
- in a good light — something that makes things visible or affords illumination: All colors depend on light.
- in a tight spot — in difficult situation
- in nothing flat — no thing; not anything; naught: to say nothing.
- in the box seat — in the best position
- in the hands of — under the control of
- in the majority — the largest group
- in the old days — a long time ago
- in the shape of — You can use in the shape of to state exactly who or what you are referring to, immediately after referring to them in a general way.
- indian hawthorn — a southern Chinese evergreen shrub, Raphiolepis indica, of the rose family, having shiny, leathery leaves and pinkish-white flowers in loose clusters.
- indicator light — a device for indicating that a motor vehicle is about to turn left or right; blinker
- infants' school — kindergarten.
- inter-parochial — of, relating to, or financially supported by one or more church parishes: parochial churches in Great Britain.
- interior salish — in Canada, a division of the peoples who speak Salish languages
- interscholastic — between schools, or representative of different schools, especially secondary schools: interscholastic athletics.
- ionospherically — by the ionosphere
- ironstone china — a tough durable earthenware
- isolation booth — a soundproof booth located within a television studio, used to prevent the occupant, usually a contestant in a game show, from hearing certain parts of the show.
- isothermal-line — Meteorology. a line on a weather map or chart connecting points having equal temperature.
- isothiocyanates — Plural form of isothiocyanate.
- jack-in-the-box — a toy consisting of a box from which an enclosed figure springs up when the lid is opened.
- jacob ben asher — c1269–c1340, Hebrew commentator on the Bible and codifier of Jewish law.
- javelin thrower — a person who throws a javelin
- jerusalem thorn — See under Christ's-thorn.
- john barleycorn — a personification of barley as used in malt liquor, of malt liquor itself, or of any intoxicating liquor.
- john of austria — ("Don John") 1547?–78, Spanish naval commander and general: victor at the battle of Lepanto.
- johne's disease — a chronic diarrheal disease of cattle and sheep caused by infection with Mycobacterium paratuberculosis, an organism related to the tubercle bacillus.
- joseph jacquard — Joseph Marie [zhoh-zef ma-ree] /ʒoʊˈzɛf ma ri/ (Show IPA), 1752–1834, French inventor.
- judeo-christian — of or relating to the religious writings, beliefs, values, or traditions held in common by Judaism and Christianity.
- kailyard school — a school of writers describing homely life in Scotland, with much use of Scottish dialect: in vogue toward the close of the 19th century.
- kaleyard school — a group of writers who depicted the sentimental and homely aspects of life in the Scottish Lowlands from about 1880 to 1914. The best known contributor to the school was J. M. Barrie
- karaoke machine — a device that plays a prerecorded backing tape, to which people take it in turns to sing
- katathermometer — a thermometer used to measure the cooling power of ambient air
- keep one's head — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
- keratoacanthoma — (pathology) A common low-grade malignancy of the skin.
- king's champion — a hereditary official at British coronations, representing the king (King's Champion) or the queen (Queen's Champion) who is being crowned, and having originally the function of challenging to mortal combat any person disputing the right of the new sovereign to rule.
- kirchhoff's law — the law that the algebraic sum of the currents flowing toward any point in an electric network is zero.