16-letter words containing a, d, n
- hailing distance — the distance within which the human voice can be heard: They sailed within hailing distance of the island.
- hair conditioner — a substance used, often after shampooing, to detangle and improve the condition of the hair. Like shampoo, it is applied to wet hair and then rinsed out after applying.
- half-blind joint — a corner dovetail joint visible on one face only.
- hamadryas baboon — a baboon, Papio (Comopithecus) hamadryas, of Ethiopia, the male of which has a mantle of long, dark hair about the head and shoulders: held sacred by the ancient Egyptians.
- hammer and tongs — with great vigor, determination, or vehemence: When he starts a job he goes at it hammer and tongs.
- hamming distance — (data) The minimum number of bits that must be changed in order to convert one bit string into another. Named after the mathematician Richard Hamming.
- hamming, richard — Richard Hamming
- hand screw clamp — a screw that can be tightened by the fingers, without the aid of a tool.
- handling charges — a fee paid to cover the packaging, transport, etc, of a commodity
- hang around with — to associate or socialize with
- hanging wardrobe — a wardrobe containing a rail with a large amount of space underneath, so that clothes can be hung on hangers placed onto the rail
- hansen's disease — leprosy.
- hard rock mining — (loosely) of or relating to igneous or metamorphic rocks, as in mining (hard-rock mining) and geology (hard-rock geology)
- hard times token — any of a series of U.S. copper tokens, issued 1834–41, bearing a political inscription or advertising message and serving as currency during coin shortages.
- hard-packed snow — snow which becomes very firmly packed as it becomes refrozen due to cold weather conditions rather than melting
- have been around — be experienced
- have in the wind — to be in the act of following (quarry) by scent
- have the decency — If you say that someone did not have the decency to do something, you are criticizing them because there was a particular action which they did not do but which you believe they ought to have done.
- have the drop on — a small quantity of liquid that falls or is produced in a more or less spherical mass; a liquid globule.
- have the edge on — to have a slight advantage or superiority over
- have the wood on — to have an advantage over
- hawaiian gardens — a town in SW California.
- hay-scented fern — a fern, Dennstaedtia punctilobula, of eastern North America, having brittle, yellow-green fronds.
- head arrangement — a roughly outlined musical arrangement that is played from memory and is often learned by ear.
- head normal form — (theory, reduction) (HNF) A term describing a lambda expression whose top level is either a variable, a data value, a built-in function applied to too few arguments, or a lambda abstraction whose body is not reducible. I.e. the top level is neither a redex nor a lambda abstraction with a reducible body. An expression in HNF may contain redexes in argument postions whereas a normal form may not. Compare Weak Head Normal Form.
- headed notepaper — notepaper headed with the name and address of a person or organization
- headhunting firm — a recruiting agency
- health education — education that aims to give people the information they need to live healthily
- hearing-impaired — having reduced or deficient hearing ability; hard-of-hearing: special programs for hearing-impaired persons.
- hearsay evidence — testimony based on what a witness has heard from another person rather than on direct personal knowledge or experience.
- hen-and-chickens — any of several succulent plants that grow in clusters or colonies formed by runners or offshoots, as those of the genera Echeveria and Sempervivum.
- hendecasyllables — Plural form of hendecasyllable.
- hernando de soto — Hernando [her-nan-doh;; Spanish er-nahn-daw] /hərˈnæn doʊ;; Spanish ɛrˈnɑn dɔ/ (Show IPA), or Fernando [fer-nan-doh;; Spanish fer-nahn-daw] /fərˈnæn doʊ;; Spanish fɛrˈnɑn dɔ/ (Show IPA), c1500–42, Spanish soldier and explorer in America.
- heroin addiction — addiction to the drug heroin
- heteropalindrome — Something that spells something else when reversed, a semordnilap.
- hexahydroaniline — cyclohexylamine.
- hexahydrobenzene — cyclohexane.
- hexanedioic acid — adipic acid.
- higher education — education beyond high school, specifically that provided by colleges and graduate schools, and professional schools.
- hit-and-run raid — a raid relying on surprise allied to a rapid departure from the scene of operations for the desired effect
- hoek van holland — Hook of Holland.
- hold one's peace — the normal, nonwarring condition of a nation, group of nations, or the world.
- horizon distance — Television. the distance of the farthest point on the earth's surface visible from a transmitting antenna.
- horseback riding — activity: riding a horse
- horsehead nebula — a dark nebula in the constellation Orion, composed of opaque cosmic dust and resembling the head of a horse.
- hot and bothered — having or giving off heat; having a high temperature: a hot fire; hot coffee.
- housemaid's knee — inflammation of the bursa over the front of the kneecap.
- hudsonian godwit — any of several large, widely distributed shorebirds of the genus Limosa, as the New World L. haemastica (Hudsonian godwit) having a long bill that curves upward slightly.
- huffman encoding — Huffman coding
- hundred-year-old — of one hundred years of age