13-letter words containing a, n, i
- heroin addict — sb dependent on heroin
- hertzian wave — an electromagnetic wave produced by oscillations in an electric circuit, as a radio or radar wave: first investigated by H. R. Hertz.
- hessian boots — a knee-high tasseled boot, fashionable in England in the early 19th century.
- heteropolitan — a heterosexual man, typically living in a city, whose attitudes and interests are regarded as masculine but not excessively so
- hevelian halo — a faint white halo with an angular radius of 90° that is occasionally seen around the sun or the moon, thought to be caused by the reflection and refraction of sunlight by ice crystals.
- hexactinellid — a type of sponge characterized by their (usually) six siliceous spicules or rays
- hexamethonium — a compound, C 10 H 24 N 2 , used in the treatment of severe hypertension to lower blood pressure and increase blood flow by blocking transmission of nerve impulses that constrict blood vessels.
- hexanoic acid — caproic acid.
- hiatal hernia — an abnormal condition in which part of the stomach protrudes upward through the esophageal cleft in the diaphragm, sometimes causing a backflow of acid stomach contents into the esophagus.
- hiatus hernia — an abnormal condition in which part of the stomach protrudes upward through the esophageal cleft in the diaphragm, sometimes causing a backflow of acid stomach contents into the esophagus.
- hiberno-saxon — having the characteristics of both the Irish and English; Anglo-Irish.
- hidden agenda — an often duplicitously undisclosed plan or motive.
- hide and seek — one of a variety of children's games in which, according to specified rules, one player gives the others a chance to hide and then attempts to find them.
- hide-and-seek — one of a variety of children's games in which, according to specified rules, one player gives the others a chance to hide and then attempts to find them.
- hieracosphinx — (in ancient Egyptian art) a hawk-headed sphinx
- highland park — a city in NE Illinois, on Lake Michigan.
- hilariousness — The characteristic of being hilarious; hilarity.
- hill of beans — something of trifling value; virtually nothing at all: The problem didn't amount to a hill of beans.
- histaminergic — releasing histamine
- histogramming — (mathematics) The construction of histograms.
- hold in leash — to control; curb; restrain
- holy alliance — a league formed by the principal sovereigns of Europe in 1815 with the professed object of promoting Christian brotherhood but the practical object of repressing democratic revolutions and institutions. The English and Turkish rulers and Pope Pius VII did not join the league.
- home invasion — an act or instance of entering an occupied residence with the intent to commit a burglary or other crime.
- homogenetical — of, involving or relating to homogeny
- hong xiu quan — 1814–64, Chinese religious leader and revolutionary. Claiming (1851) to be Christ's brother, he led the Taiping rebellion; committed suicide when it was defeated
- honorifically — In a honorific manner.
- honoris causa — for the sake of honour
- honourability — A state or condition or being honourable.
- hoodman-blind — blindman's buff.
- hopkinsianism — a modified Calvinism taught by Samuel Hopkins (1721–1803), that emphasized the sovereignty of God, the importance of His decrees, and the necessity of submitting to His will, accepting even damnation, if required, for His glory, and holding that ethics is merely disinterested benevolence.
- horizontality — at right angles to the vertical; parallel to level ground.
- horned lizard — an insectivorous iguanid lizard of the genus Phrynosoma, of western North America, having hornlike spines on the head and a flattened body covered with spiny scales.
- horrification — That which causes horror.
- horripilation — a bristling of the hair on the skin from cold, fear, etc.; goose bumps.
- horse gentian — any weedy North American plant of the genus Triosteum, of the honeysuckle family, especially T. perfoliatum, having stalkless leaves and purplish-brown flowers and bearing orange fruits.
- horse trading — the act or fact of conducting a shrewd exchange or engaging in a horse trade; bargaining.
- horse-trading — to bargain or trade shrewdly.
- hospitalizing — Present participle of hospitalize.
- house painter — a person whose occupation is painting houses.
- house-raising — a gathering of persons in a rural community to help one of its members build a house.
- house-trained — housebroken.
- house-warming — a party to celebrate a person's or family's move to a new home.
- housebreaking — to train (a pet) to excrete outdoors or in a specific place.
- housecleaning — the act of cleaning a house, room, etc., and its furnishings, especially the act of cleaning thoroughly and completely.
- housepainters — Plural form of housepainter.
- housetraining — Present participle of housetrain.
- housewarmings — Plural form of housewarming.
- housing start — an instance of beginning the construction of a dwelling.
- hudson strait — a strait connecting Hudson Bay and the Atlantic. 450 miles (725 km) long; 100 miles (160 km) wide.
- human capital — the collective skills, knowledge, or other intangible assets of individuals that can be used to create economic value for the individuals, their employers, or their community: Education is an investment in human capital that pays off in terms of higher productivity.