18-letter words containing h, i, g, r, e, n
- hardy-weinberg law — a principle stating that in an infinitely large, randomly mating population in which selection, migration, and mutation do not occur, the frequencies of alleles and genotypes do not change from generation to generation.
- hash house slinger — a person who serves in a cheap cafe
- hearing impairment — partial deafness
- heart-lung machine — a device through which blood is shunted temporarily for oxygenation during surgery, while the heart or a lung is being repaired.
- heating degree-day — a degree-day below the standard temperature of 65°F or 19°C, used in estimating fuel consumption.
- helicopter gunship — military attack helicopter
- herring bone weave — a pattern consisting of adjoining vertical rows of slanting lines, any two contiguous lines forming either a V or an inverted V , used in masonry, textiles, embroidery, etc.
- herringbone stitch — a type of cross-stitch in embroidery similar to the catch stitch in sewing, consisting of an overlapped V -shaped stitch that when worked in a continuous pattern produces a twill-weave effect.
- heuristics testing — failure-directed testing
- high-grade mineral — a mineral fulfilling certain conditions as regards purity or other physical properties
- highbush cranberry — a shrub, Viburnum trilobum, of northern North America, having broad clusters of white flowers and edible scarlet berries.
- houghton-le-spring — a town in N England, in Sunderland unitary authority, Tyne and Wear: coal-mining. Pop: 36 746 (2001)
- hypodermic syringe — a small glass piston or barrel syringe having a detachable, hollow needle for use in injecting solutions subcutaneously.
- in (the) aggregate — If a number of different things or amounts are considered in aggregate, or in the aggregate, they are considered as a single thing or amount.
- in one's own right — in accordance with what is good, proper, or just: right conduct.
- in the grip of sth — If a person, group, or place is in the grip of something, they are being severely affected by it.
- incidental charges — Incidental charges are costs of items and services that are not part of the main bill.
- industrial hygiene — the science that assesses, controls, and prevents occupational factors or sources of stress in the workplace that may significantly affect the health and well-being of employees or of the community in general
- interchangeability — (of two things) capable of being put or used in the place of each other: interchangeable symbols.
- internet of things — a network of everyday devices, appliances, and other objects equipped with computer chips and sensors that can collect and transmit data through the Internet. Abbreviation: IoT.
- junior heavyweight — a boxer weighing up to 190 pounds (85.5 kg), between light heavyweight and heavyweight.
- junior lightweight — a boxer weighing up to 130 pounds (58.5 kg), between featherweight and lightweight.
- king of the forest — the oak tree.
- knight of the road — a tramp
- lactogenic hormone — prolactin.
- laugh like a drain — to laugh loudly and coarsely
- launching ceremony — a ceremony that celebrates the launch of a ship for the first time into the water
- legislative branch — the branch of government having the power to make laws; the legislature.
- lighting cameraman — the person who designs and supervises the lighting of scenes to be filmed
- lightning arrester — a device for preventing damage to radio, telephonic, or other electric equipment from lightning or other high-voltage currents, using spark gaps to carry the current to the ground without passing through the device.
- long hundredweight — a hundredweight of 112 pounds (50.8 kg), the usual hundredweight in Great Britain, but now rare in the U.S.
- magnetorheological — (physics) describing a substance whose rheological properties are modified by a magnetic field.
- marine archaeology — the branch of archaeology that deals with the recovery of ancient objects found beneath the sea, as shipwrecks or remains from submerged islands, and with the techniques of underwater exploration, excavation, and retrieval.
- marketing research — the study of influences upon customer and consumer behaviour and the analysis of market characteristics and trends
- materials handling — the loading, unloading, and movement of goods, as within a factory or warehouse, especially by the aid of mechanical devices.
- mechanical drawing — drawing, as of machinery, done with the aid of rulers, scales, compasses, etc.
- menthol cigarettes — cigarettes that are flavoured with menthol
- metacentric height — the distance between the center of gravity and the metacenter of a floating body, as of a vessel.
- microsoft exchange — (messaging) Microsoft's messaging and enterprise collaboration server. Exchange's primary role is as an electronic mail message store but it can also store calendars, task lists, contact details, and other data.
- middle high german — the High German language of the period 1100–1500. Abbreviation: MHG.
- moccasin telegraph — the transmission of rumour or secret information; the grapevine
- monographic series — a series of monographs issued in uniform style or format and related by subject or by issuing agency.
- moog (synthesizer) — an early musical synthesizer
- neighborhood watch — a neighborhood surveillance program or group in which residents keep watch over one another's houses, patrol the streets, etc., in an attempt to prevent crime.
- neo-pythagoreanism — a philosophical system, established in Alexandria and Rome in the second century b.c., consisting mainly of revived Pythagorean doctrines with elements of Platonism and Stoicism.
- netherlands guiana — a former name of Suriname.
- neurophysiological — the branch of physiology dealing with the functions of the nervous system.
- neuropsychological — Of or pertaining to neuropsychology, the relation or combination of brain and mind.
- neutrosophic logic — (logic) (Or "Smarandache logic") A generalisation of fuzzy logic based on Neutrosophy. A proposition is t true, i indeterminate, and f false, where t, i, and f are real values from the ranges T, I, F, with no restriction on T, I, F, or the sum n=t+i+f. Neutrosophic logic thus generalises: - intuitionistic logic, which supports incomplete theories (for 0
- nightmare scenario — If you describe a situation or event as a nightmare scenario, you mean that it is the worst possible thing that could happen.