19-letter words containing c, h, l, a
- devil's coach-horse — a large black rove beetle, Ocypus olens, with large jaws and ferocious habits
- devils-on-horseback — a savoury of prunes wrapped in bacon slices and served on toast
- direct grant school — (in Britain, formerly) a school financed by endowment, fees, and a state grant conditional upon admittance of a percentage of nonpaying pupils nominated by the local education authority
- displaced homemaker — a woman recently divorced, separated, or widowed after many years as a homemaker.
- double-helical gear — herringbone gear.
- draw the color line — to impose or accept the color line
- dry-bulk cargo ship — a ship that carries an unpackaged dry cargo such as coal or grain; bulk carrier
- duplicating machine — a duplicator, especially one for making identical copies of documents, letters, etc.
- early purple orchid — a Eurasian orchid, Orchis mascula, with purplish-crimson flowers and stems marked with blackish-purple spots
- eat someone's lunch — to take into the mouth and swallow for nourishment; chew and swallow (food).
- echoencephalography — a device that employs reflected ultrasonic waves to examine the position of brain structures.
- effective half-life — the time required for half of a quantity of radioactive material absorbed by a living tissue or organism to be removed by both elimination and decay
- electro-shock baton — a baton used as a weapon to pass an electric current through part of the body
- electrocardiographs — Plural form of electrocardiograph.
- electrocardiography — The measurement of electrical activity in the heart and the recording of such activity as a visual trace (on paper or on an oscilloscope screen), using electrodes placed on the skin of the limbs and chest.
- electrohydrodynamic — (physics) Of or pertaining to electrohydrodynamics.
- electromechanically — In an electromechanical way.
- electron micrograph — a photograph or image of a specimen taken using an electron microscope
- electronic graphics — (on television) the production of graphic designs and text by electronic means
- electropalatography — the study of the movements of the tongue during speech using touch-sensitive electrodes in the mouth linked to a computer
- electrophoretically — By means of electrophoresis.
- electrophotographic — Of or pertaining to electrophotography.
- electrotherapeutics — (medicine) the use of electricity in therapeutics.
- enabling technology — technology that enables the user to perform a task or to improve his or her overall performance: e.g. the internet
- euclidean algorithm — Euclid's Algorithm
- exhibitionistically — In an exhibitionistic manner.
- exophthalmic goiter — a disease of unknown cause characterized by enlargement of the thyroid gland, overproduction of the thyroid hormone, and abnormal protrusion of the eyeballs
- exophthalmic goitre — a form of hyperthyroidism characterized by enlargement of the thyroid gland, protrusion of the eyeballs, increased basal metabolic rate, and weight loss
- five o'clock shadow — the rather dark stubble that appears on a man's face some hours after shaving, typically in the late afternoon if he shaved in the morning.
- five-o'clock shadow — the rather dark stubble that appears on a man's face some hours after shaving, typically in the late afternoon if he shaved in the morning.
- flannelmouth sucker — a sucker, Catostomus latipinnis, of the Colorado River and its tributaries.
- fluophosphoric acid — fluorophosphoric acid.
- focal plane shutter — an opaque shield in a camera, lying in the focal plane of the lens, that, when tripped, admits light to expose the film or plate for a predetermined period, usually a fraction of a second
- focal-plane shutter — a camera shutter situated directly in front of the film.
- gas central heating — a system of central heating fuelled by combustible gas
- general anaesthetic — sth administered to induce unconsciousness
- glottochronological — Of or pertaining to glottochronology.
- go off at half-cock — to fail as a result of inadequate preparation or premature starting
- goldbach conjecture — an unproved theorem that every even integer greater than 2 can be written as the sum of two prime numbers.
- grand duke nicholas — of Cusa [kyoo-zuh] /ˈkyu zə/ (Show IPA), 1401–1464, German cardinal, mathematician, and philosopher. German Nikolaus von Cusa.
- grandfather's clock — a pendulum floor clock having a case as tall as or taller than a person; tall-case clock; long-case clock.
- grandmother's clock — a pendulum clock similar to a grandfather's clock but shorter.
- great wall of china — a system of fortified walls with a roadway along the top, constructed as a defense for China against the nomads of the regions that are now Mongolia and Manchuria: completed in the 3rd century b.c., but later repeatedly modified and rebuilt. 2000 miles (3220 km) long.
- great-grandchildren — a grandchild of one's son or daughter.
- gulf of tehuantepec — an inlet of the Pacific on the south coast of the Isthmus of Tehuantepec in S Mexico
- hairy cell leukemia — a form of cancer in which abnormal cells with many hairlike cytoplasmic projections appear in the bone marrow, liver, spleen, and blood.
- half wave rectifier — A half wave rectifier removes the negative component of an alternating signal leaving only the positive part.
- half-wave rectifier — a rectifier that changes only one half of a cycle of alternating current into a pulsating, direct current.
- halt and catch fire — (humour, processor) (HCF) Any of several undocumented and semi-mythical machine instructions with destructive side-effects, supposedly included for test purposes on several well-known architectures going as far back as the IBM 360. The Motorola 6800 microprocessor was the first for which an HCF opcode became widely known. This instruction caused the processor to read every memory location sequentially until reset.
- handlebar moustache — a man's moustache having long, curved ends that resemble the handlebars of a bicycle.