16-letter words containing h, a, b, e, r
- false beechdrops — either of two parasitic or saprophytic plants of the genus Monotropa, especially the tawny or reddish M. hypopithys (false beechdrops) of eastern North America.
- femme de chambre — a chambermaid
- fisherman's bend — a knot made by taking a round turn on the object to which the rope is to be fastened, passing the end of the rope around the standing part and under the round turn, and securing the end.
- flamborough head — a chalk promontory in NE England, on the coast of the East Riding of Yorkshire
- flashbulb memory — the clear recollections that a person may have of the circumstances associated with a dramatic event
- flatheaded borer — the larva of a metallic wood-boring beetle, having an expanded and flattened anterior end.
- forbid the banns — to raise an objection to a marriage announced in this way
- forbush decrease — the sudden decrease in the intensity of cosmic rays after an increase in solar activity.
- freeboard length — the length of a vessel, measured on the summer load line from the fore side of the stem to some part of the stern, usually the after side of the rudderpost.
- gabriel, richard — Richard Gabriel
- great blue heron — a large American heron, Ardea herodias, having bluish-gray plumage.
- growth substance — any substance, produced naturally by a plant or manufactured commercially, that, in very low concentrations, affects plant growth; a plant hormone
- 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
- harleian library — a large library of manuscripts collected by the British statesman Robert Harley and his son and now housed in the British Museum.
- have been around — be experienced
- hawksbill turtle — a sea turtle, Eretmochelys imbricata, the shell of which is the source of tortoise shell: an endangered species.
- hebbian learning — (artificial intelligence) The most common way to train a neural network; a kind of unsupervised learning; named after canadian neuropsychologist, Donald O. Hebb. The algorithm is based on Hebb's Postulate, which states that where one cell's firing repeatedly contributes to the firing of another cell, the magnitude of this contribution will tend to increase gradually with time. This means that what may start as little more than a coincidental relationship between the firing of two nearby neurons becomes strongly causal. Despite limitations with Hebbian learning, e.g., the inability to learn certain patterns, variations such as Signal Hebbian Learning and Differential Hebbian Learning are still used.
- herringbone gear — a helical gear having teeth that lie on the pitch cylinder in a V -shaped form so that one half of each tooth is on a right-handed helix and the other half on a left-handed helix.
- heterometabolism — insect development in which the young hatch in a form very similar to the adult and then mature without a pupal stage
- heterometabolous — undergoing development in which the young are born adultlike in form, often maturing without a pupal stage.
- hexahydrobenzene — cyclohexane.
- hold a brief for — to argue for; champion
- 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.
- hot-water bottle — a bag, usually of rubber, for holding hot water to apply warmth to some part of the body, as the feet.
- hyaloid membrane — the delicate, pellucid, and nearly structureless membrane enclosing the vitreous humor of the eye.
- hybrid perpetual — a type of cultivated rose bred from varieties having vigorous growth and more or less recurrent bloom.
- hydration number — the number of molecules of water with which an ion can combine in an aqueous solution of given concentration.
- hyperreal number — any of the set of numbers formed by the addition of infinite numbers and infinitesimal numbers to the set of real numbers
- hypervariability — apt or liable to vary or change; changeable: variable weather; variable moods.
- imperishableness — The characteristic or property of being imperishable.
- intake of breath — When someone takes an intake of breath, they breathe in quickly and noisily, usually because they are shocked at something.
- interbehavioural — relating to or involving interbehaviour
- into the bargain — an advantageous purchase, especially one acquired at less than the usual cost: The sale offered bargains galore.
- khakass republic — a constituent republic of S central Russia, formerly in Krasnoyarsk Territory: formed in 1930. Capital: Abakan. Pop: 546 100 (2002). Area: 61 900 sq km (23 855 sq miles)
- lord chamberlain — (in Britain) the chief official of the royal household
- lumberjack shirt — a thick checked shirt, as worn by lumberjacks
- machine readable — of or relating to data encoded on an appropriate medium and in a form suitable for processing by computer.
- machine-readable — of or relating to data encoded on an appropriate medium and in a form suitable for processing by computer.
- mahalla el kubra — a city in Egypt, on the Nile delta.
- man on horseback — a military leader who presents himself as the savior of the country during a period of crisis and either assumes or threatens to assume dictatorial powers.
- mesembryanthemum — any of various chiefly Old World plants of the genus Mesembryanthemum, having thick, fleshy leaves and often showy flowers.
- mulberry harbour — either of two prefabricated floating harbours towed across the English Channel to the French coast for the Allied invasion of Normandy in 1944
- nash equilibrium — (in game theory) a stable state of a system involving the interaction of two or more players in which no player can gain by a unilateral change of strategy if the strategies of the other players remain unchanged
- new smyrna beach — a town in NE Florida.
- non-carbohydrate — any of a class of organic compounds that are polyhydroxy aldehydes or polyhydroxy ketones, or change to such substances on simple chemical transformations, as hydrolysis, oxidation, or reduction, and that form the supporting tissues of plants and are important food for animals and people.
- north battleford — a city in W central Saskatchewan, in central Canada.
- north palm beach — a town in E Florida.
- northanger abbey — a novel (1818) by Jane Austen.