16-letter words containing h, a, e, m
- feather merchant — a person who avoids responsibility and effort; loafer.
- femme de chambre — a chambermaid
- fermat's theorem — the theorem that an integer raised to a prime power leaves the same remainder as the integer itself when divided by the prime.
- firewall machine — (networking, security) A dedicated gateway server with special security precautions on it, used to service external connections (typically from the public Internet). The firewall machine protects servers and networks hidden behind it from crackers. The typical firewall is an inexpensive microprocessor-based Unix machine with no critical data, with public network ports on it, but just one carefully watched connection back to the rest of the cluster. The special precautions may include threat monitoring, call-back, and even a complete iron box keyable to particular incoming IDs or activity patterns. The type of network and security environment of a firewall machine is often called a De-Militarised Zone (DMZ). It may contain other servers such as e-mail servers or proxy gateways - machines that need to be publicly accessible but also need some access to internal systems. Also known as a (Venus) flytrap after the insect-eating plant.
- 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.
- fisherman's knot — a knot for joining two ropes of equal thickness consisting of an overhand knot or double overhand knot by each rope round the other, so that the two knots jam when pulled tight
- fisherman's ring — the signet ring worn by the pope.
- flamborough head — a chalk promontory in NE England, on the coast of the East Riding of Yorkshire
- flash eliminator — a device fitted to the muzzle of a firearm to reduce the flash made by the ignited propellant gases
- flashbulb memory — the clear recollections that a person may have of the circumstances associated with a dramatic event
- for the meantime — For the meantime means for a period of time from now until something else happens.
- fourth amendment — an amendment to the U.S. Constitution, ratified in 1791 as part of the Bill of Rights, prohibiting unlawful search and seizure of personal property.
- franking machine — a machine that franks letters
- freight terminal — (on a rail network) a place where freight is stored while awaiting onward transport
- french cameroons — Cameroun (def 2).
- french ice cream — a type of ice cream in which an egg and cream mixture is cooked to a light custard before being frozen.
- from one's heart — very sincerely or deeply
- full steam ahead — If something such as a plan or a project goes full steam ahead, it progresses quickly.
- galenic pharmacy — the art or practice of preparing and dispensing galenicals.
- geomorphological — Of or pertaining to geomorphology.
- geothermal power — power generated using steam produced by heat emanating from the molten core of the earth
- german cockroach — a common yellowish-brown cockroach, Blatta germanica, brought into the U.S. from Europe.
- give a hard time — a period of difficulties or hardship.
- gold star mother — an American woman whose son or daughter has died while serving in the United States Armed Forces
- haemochromatosis — (British spelling) alternative spelling of hemochromatosis.
- haemodynamically — from a hemodynamic point of view
- 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
- 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.
- hand screw clamp — a screw that can be tightened by the fingers, without the aid of a tool.
- 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.
- have a big mouth — to speak indiscreetly, loudly, or excessively
- have a good time — enjoy yourself, have fun
- have a hard time — experience difficulties
- have no time for — not tolerate
- haversian system — a Haversian canal and the series of concentric bony plates surrounding it.
- hayes-compatible — (communications) A description of a modem which understands the same set of commands as one made by Hayes.
- 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.
- headhunting firm — a recruiting agency
- headmistressship — (rare) Alternative form of headmistress-ship.
- hearing-impaired — having reduced or deficient hearing ability; hard-of-hearing: special programs for hearing-impaired persons.
- hemagglutinating — That causes hemagglutination.
- hemagglutination — the clumping of red blood cells.
- hemangioblastoma — (medicine) Any of several benign neoplasm tumours of the brain.
- hematocrit-value — a centrifuge for separating the cells of the blood from the plasma.
- hematocrystallin — (biology, archaic) hemoglobin.
- hemolytic anemia — an anemic condition characterized by the destruction of red blood cells: seen in some drug reactions and in certain infectious and hereditary disorders.