13-letter words containing a, t, h, e, o
- housepainters — Plural form of housepainter.
- housetraining — Present participle of housetrain.
- humboldt peak — a mountain in S Colorado, in the Sangre de Cristo range. 14,064 feet (4290 meters).
- hunt saboteur — A hunt saboteur is someone who tries to stop a hunt from taking place or being successful because they believe it is cruel to the animal being hunted.
- hydrofracture — (geology) Rock fracture caused by the pressure of freezing water.
- hydrogenating — Present participle of hydrogenate.
- hydrogenation — to combine or treat with hydrogen, especially to add hydrogen to the molecule of (an unsaturated organic compound).
- hydrosulphate — a salt formed by the direct union of sulfuric acid with an organic base, especially an alkaloid, and usually more soluble than the base.
- hygrometrical — Alternative form of hygrometric.
- hymenopterans — Plural form of hymenopteran.
- hypercautious — Especially or unreasonably cautious.
- hypercyanotic — blueness or lividness of the skin, as from imperfectly oxygenated blood.
- hypermetropia — a condition of the eye in which parallel rays are focused behind the retina, distant objects being seen more distinctly than near ones; farsightedness (opposed to myopia).
- hypermorality — conformity to the rules of right conduct; moral or virtuous conduct.
- hypermutation — (uncountable) Frequent mutation.
- hyperrational — characterized by excessive rationality
- hyperromantic — extremely or excessively romantic
- hyphenization — the act or use of hyphenation
- hypometabolic — Relating to hypometabolism.
- hyponatraemia — a condition in which there is a low concentration of sodium in the blood
- hypophosphate — a salt or ester of hypophosphoric acid.
- hyposexuality — A significantly low level of sexuality.
- hypothecating — Present participle of hypothecate.
- hypothecation — to pledge to a creditor as security without delivering over; mortgage.
- hypotheticals — Plural form of hypothetical.
- hypoventilate — (intransitive) To undergo hypoventilation.
- hypsometrical — Of or pertaining to hypsometry.
- hyracotherium — eohippus.
- hysteranthous — relating to a plant whose flowers open before its leaves
- iatrochemical — relating to iatrochemistry or iatrochemists
- iceman cometh — a play (1946) by Eugene O'Neill.
- immunotherapy — treatment designed to produce immunity to a disease or enhance the resistance of the immune system to an active disease process, as cancer.
- imperial moth — a yellow moth, Eacles imperialis, having a diagonal band of pinkish brown or purple: the hairy larvae feed on the leaves of hickory, oak, etc.
- in order that — used to introduce a clause of purpose
- in the act of — while committing: crime, transgression
- in the pay of — If you say that someone is in the pay of a certain person or group, you disapprove of the fact that they are being paid by and are working for that person or group, often secretly or illegally.
- in the way of — similar to, like
- interchondral — of or relating to cartilage or a cartilage.
- isobathytherm — a line on a chart or diagram of a body of water, connecting depths having the same temperature.
- isothermobath — a line drawn on a diagram of a vertical section of the ocean connecting all points having equal temperature.
- jequitinhonha — a river in E Brazil, flowing from the state of Minas Gerais to the Atlantic Ocean. 500 miles (805 km) long.
- johann tetzel — Johann [yoh-hahn] /ˈyoʊ hɑn/ (Show IPA), 1465?–1519, German monk: antagonist of Martin Luther.
- johore strait — a narrow strait between Malaya and Singapore Island
- joseph crater — Joseph Force [fawrs,, fohrs] /fɔrs,, foʊrs/ (Show IPA), 1889–? a judge of the New York State Supreme Court: his mysterious disappearance on August 6, 1930, has never been solved.
- joseph stalin — Joseph V (Iosif Vissarionovich Dzhugashvili or Dzugashvili) 1879–1953, Soviet political leader: secretary general of the Communist Party 1922–53; premier of the U.S.S.R. 1941–53.
- joseph's coat — an ornamental species of pigweed (Amaranthus tricolor) having red, yellow, and green upper leaves
- joseph's-coat — a cultivated form of Amaranthus tricolor, having headlike clusters of small flowers and blotched and colored leaves.
- karaoke night — a social occasion when karaoke sessions are held for entertainment, often in a pub or bar
- katharometers — Plural form of katharometer.
- kathenotheism — Belief that multiple deities exist, and different deities are supreme among them at different times.