16-letter words containing r, h, e, a
- grape phylloxera — See under phylloxera.
- graphic designer — person: commercial artist
- graphic language — For specifying graphic operations.
- graphics adapter — graphics adaptor
- grasp the nettle — If you grasp the nettle, you deal with a problem, or do something that is unpleasant, quickly and in a determined way.
- gray nurse shark — a sand shark, Odontaspis arenarius, abundant in S African and Australian coastal waters and estuaries.
- great blue heron — a large American heron, Ardea herodias, having bluish-gray plumage.
- great horned owl — a large, brown-speckled owl, Bubo virginianus, common in the Western Hemisphere, having prominent ear tufts.
- great-grandchild — a grandchild of one's son or daughter.
- grenade launcher — a device attached to the muzzle of a rifle, permitting the firing of rifle grenades.
- grey nurse shark — a common greyish Australian shark, Odontaspis arenarius
- greyhound racing — a sport in which a mechanically propelled dummy hare is pursued by greyhounds around a race track
- growth potential — capability of expanding
- growth substance — any substance, produced naturally by a plant or manufactured commercially, that, in very low concentrations, affects plant growth; a plant hormone
- gyratory crusher — A gyratory crusher is a crusher in which a cone-shaped rod rotates in a cone-shaped bowl.
- haemochromatosis — (British spelling) alternative spelling of hemochromatosis.
- 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.
- hairy woodpecker — a North American woodpecker, Picoides villosus, resembling but larger than the downy woodpecker.
- half life period — Physics. the time required for one half the atoms of a given amount of a radioactive substance to disintegrate.
- hammer (away) at — to work continuously or energetically at
- hammer and tongs — with great vigor, determination, or vehemence: When he starts a job he goes at it hammer and tongs.
- hammerstein (ii) — Oscar1895-1960; U.S. librettist & lyricist of musical comedies
- 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
- 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
- haptic interface — (interface, hardware) A touch interface to a computer that provides feedback, such as a data glove.
- 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
- hardrock geology — (loosely) of or relating to igneous or metamorphic rocks, as in mining (hard-rock mining) and geology (hard-rock geology)
- hare's-foot fern — a fern, Polypodium aureum, of tropical America, having a brown, scaly rootstock and green or deep bluish-green fronds.
- harleian library — a large library of manuscripts collected by the British statesman Robert Harley and his son and now housed in the British Museum.
- harvest festival — religious celebration of crops gathered
- harvey firestone — Harvey Samuel, 1868–1938, U.S. industrialist and rubber manufacturer.
- has the x nature — (From Zen Buddhist koans of the form "Does an X have the Buddha-nature?") Common hacker construction for "is an X", used for humorous emphasis. "Anyone who can't even use a program with on-screen help embedded in it truly has the loser nature!" See also the X that can be Y is not the true X.
- have a hard time — experience difficulties
- have a word with — discuss
- have been around — be experienced
- have no time for — not tolerate
- have the drop on — a small quantity of liquid that falls or is produced in a more or less spherical mass; a liquid globule.
- haversian system — a Haversian canal and the series of concentric bony plates surrounding it.
- hawaiian gardens — a town in SW California.
- hawksbill turtle — a sea turtle, Eretmochelys imbricata, the shell of which is the source of tortoise shell: an endangered species.
- hawthorne effect — a positive change in the performance of a group of persons taking part in an experiment or study due to their perception of being singled out for special consideration.
- hay-scented fern — a fern, Dennstaedtia punctilobula, of eastern North America, having brittle, yellow-green fronds.
- haymarket square — a square in Chicago: scene of a riot (Haymarket Riot) in 1886 between police and labor unionists.
- 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
- headmistressship — (rare) Alternative form of headmistress-ship.