18-letter words containing h, i, l, c
- malicious mischief — willful destruction of personal property motivated by ill will or resentment toward its owner or possessor.
- 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.
- mathematical error — a mistake in a mathematical calculation, etc
- mathematical logic — symbolic logic.
- mathematical model — a representation of a system, process, etc, in mathematical terms
- matthias schleiden — Matthias Jakob [mah-tee-ahs yah-kawp] /mɑˈti ɑs ˈyɑ kɔp/ (Show IPA), 1804–81, German botanist.
- mechanical drawing — drawing, as of machinery, done with the aid of rulers, scales, compasses, etc.
- mechanical testing — Mechanical testing is the testing of a material to find out its mechanical properties, for example its yield strength or hardness.
- medical technician — a person, not a qualified doctor, who does practical work in a hospital
- menthol cigarettes — cigarettes that are flavoured with menthol
- mercurous chloride — calomel.
- mergui archipelago — a group of over 200 islands in the Andaman Sea, off the Tenasserim coast of S Myanmar: mountainous and forested
- methacrylate resin — an acrylic resin formed by polymerizing the esters or amides of methacrylic acid.
- methylene chloride — a colorless, volatile liquid, CH 2 Cl 2 , used chiefly as a solvent, as a refrigerant, and as a local anesthetic in dentistry.
- microsloth windows — (abuse, operating system) /mi:'kroh-sloth" win"dohz/ (Or "Windoze", /win'dohz/) A derogatory term for Microsoft Windows which is so limited by bug-for-bug compatibility with mess-dos that it is agonisingly slow on anything less than a fast 486. Also called just "Windoze", with the implication that you can fall asleep waiting for it to do anything; the latter term is extremely common on Usenet. Compare X, sun-stools.
- middle paleolithic — See under Paleolithic.
- moccasin telegraph — the transmission of rumour or secret information; the grapevine
- modular arithmetic — arithmetic in which numbers that are congruent modulo a given number are treated as the same. Compare congruence (def 2), modulo, modulus (def 2b).
- monochlorobiphenyl — (organic compound) Either of three isomers of a chlorinated derivative of biphenyl containing one chlorine atom.
- moulding technique — the technique used to shape a material into a frame or mould
- mozambique channel — a channel in SE Africa, between Mozambique and Madagascar. 950 miles (1530 km) long; 250–550 miles (400–885 km) wide.
- mucopolysaccharide — (formerly) glycosaminoglycan.
- multimedia machine — machines that allow users to control and manipulate sound, video, text and graphics
- natural childbirth — childbirth involving little or no use of drugs or anesthesia and usually involving a program in which the mother is psychologically and physically prepared for the birth process.
- naval architecture — the science of designing ships and other waterborne craft.
- negative cash flow — the situation when income is less than payments
- negligent homicide — a criminal charge brought against people who, through criminal negligence, allow others to die
- 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
- nonachlorobiphenyl — (organic compound) Either of three isomers of the polychlorinated biphenyl containing nine chlorine atoms.
- noninterchangeable — That cannot be interchanged with another.
- nonpharmacological — Not pharmacological.
- north college hill — a city in SW Ohio.
- north lincolnshire — a unitary authority of NE England, in Lincolnshire: formerly (1975–96) part of the county of Humberside. Pop: 155 000 (2003 est). Area: 1497 sq km (578 sq miles)
- oath of allegiance — pledge to one's nation
- octachlorobiphenyl — (organic compound) Either of twelve isomers of the polychlorinated biphenyl containing eight chlorine atoms.
- oil of catechumens — holy oil used in baptism, the ordination of a cleric, the coronation of a sovereign, or in the consecration of a church.
- old curiosity shop — a novel (1840–41) by Dickens.
- ophthalmologically — In an ophthalmological manner.
- optical brightener — an additive that dyes and brightens fabric or paper
- oriental cockroach — a dark-brown cockroach, Blatta orientalis, thought to have originated in Asia but now nearly cosmopolitan in distribution.
- orthophthalic acid — Chemistry. any of three isomeric acids having the formula C 8 H 6 O 4 , especially the ortho isomer (orthophthalic acid) a colorless, crystalline, slightly water-soluble solid used chiefly in the manufacture of dyes, medicine, and perfume.
- oscillographically — By means of oscillography.
- palmer archipelago — a group of islands in the South Atlantic Ocean, off the NW coast of the Antarctic Peninsula.
- pathologic anatomy — the branch of pathology dealing with the morphologic changes in tissues.
- pennsylvania dutch — the descendants of 17th- and 18th-century settlers in Pennsylvania from southwest Germany and Switzerland.
- phanerocrystalline — (of a rock) having the principal constituents in the form of crystals visible to the naked eye.
- phantasmagorically — having a fantastic or deceptive appearance, as something in a dream or created by the imagination.
- phenol coefficient — the number indicating the effectiveness of a disinfectant as a germicide relative to phenol, which is arbitrarily assigned the number 1: based on the time required to kill a given quantity of a specific type of bacteria.