19-letter words containing l, y, e, t, h

polyphonic ringtone — (in mobile phones) a ringtone in which more than one musical note is played at the same time
polytene chromosome — a giant, cross-banded chromosome that results from multiple replication of its genetic material with the duplicated chromatin strands remaining closely associated.
priority scheduling — (operating system) Processes scheduling in which the scheduler selects tasks to run based on their priority as opposed to, say, a simple round-robin. Priorities may be static or dynamic. Static priorities are assigned at the time of creation, while dynamic priorities are based on the processes' behaviour while in the system. For example, the scheduler may favour I/O-intensive tasks so that expensive requests can be issued as early as possible. A danger of priority scheduling is starvation, in which processes with lower priorities are not given the opportunity to run. In order to avoid starvation, in preemptive scheduling, the priority of a process is gradually reduced while it is running. Eventually, the priority of the running process will no longer be the highest, and the next process will start running. This method is called aging.
psychotechnological — of or relating to psychotechnology
rayleigh scattering — the scattering of light by particles that are very small in relation to the wavelength of the light, and in which the intensity of the scattered light varies inversely with the fourth power of the wavelength.
research laboratory — place for scientific experimentation
right-eyed flounder — any of several flatfishes of the family Pleuronectidae, having both eyes on the right side of the head.
simple carbohydrate — a carbohydrate, as glucose, that consists of a single monosaccharide unit.
sodium hydrosulfite — a white, crystalline, water-soluble powder, Na 2 S 2 O 4 , used as a reducing agent, especially in dyeing, and as a bleach.
sodium hypochlorite — a pale-green, crystalline compound, NaOCl, unstable in air, soluble in cold water, decomposes in hot water: used as a bleaching agent for paper and textiles, in water purification, in household use, and as a fungicide.
solid-state physics — the branch of physics that deals with the macroscopic physical properties of matter, especially solids; the study of the electromagnetic, structural, and thermodynamic properties of solids.
spherical astronomy — the branch of astronomy dealing with the determination of the positions of celestial bodies on the celestial sphere.
sulfureted hydrogen — hydrogen sulfide.
take sth personally — If you take someone's remarks personally, you are upset because you think that they are criticizing you in particular.
telephone directory — a book, directory, or the like, usually containing an alphabetical list of telephone subscribers in a city or other area, together with their addresses and telephone numbers.
tetrachloroethylene — a colorless, nonflammable, nonexplosive liquid, C 2 Cl 4 , used as a solvent, especially in dry cleaning.
tetrafluoroethylene — a colorless, water-insoluble, flammable gas, C 2 F 4 , used in the synthesis of certain polymeric resins, as Teflon.
tetramethyldiarsine — an oily slightly water-soluble poisonous liquid with garlic-like odour. Its derivatives are used as accelerators for rubber
the admiralty board — (formerly) a department of the British Ministry of Defence, responsible for the administration and planning of the Royal Navy
the almighty dollar — money regarded figuratively as a god, or source of great power
the channel country — an area of E central Australia, in SW Queensland: crossed by intermittent rivers and subject to both flooding and long periods of drought
the london assembly — the devolved legislature of London, based in City Hall, Southwark
the world of cryton — (TWOC) A BBS for the Acorn Archimedes. Telephone: +44 (1749) 670 030 (24hrs, most speeds).
theoretical physics — abstract use of physics
to click your heels — If someone such as a soldier clicks their heels, they make a sound by knocking the heels of their shoes together when saluting or greeting someone.
to hold your breath — If you hold your breath, you make yourself stop breathing for a few moments, for example because you are under water.
to hold your tongue — If you hold your tongue, you do not say anything even though you might want to or be expected to, because it is the wrong time to say it.
to lay down the law — If you say that someone lays down the law, you are critical of them because they give other people orders and they think that they are always right.
to play hard to get — If someone plays hard to get, they pretend not to be interested in another person or in what someone is trying to persuade them to do.
to pull your weight — If you pull your weight, you work as hard as everyone else who is involved in the same task or activity.
to wet your whistle — To wet your whistle means to have a drink.
trickle-down theory — an economic theory that monetary benefits directed especially by the government to big business will in turn pass down to and profit smaller businesses and the general public.
trumpet honeysuckle — an American honeysuckle, Lonicera sempervirens, having spikes of large, tubular flowers, deep-red outside and yellow within.
typographical error — an error in printed or typewritten matter resulting from striking the improper key of a keyboard, from mechanical failure, or the like.
ultrahigh frequency — any frequency between 300 and 3000 megahertz. Abbreviation: UHF, uhf.
ultramicrochemistry — the branch of microchemistry dealing with minute quantities of material weighing one microgram or less.
university hospital — a hospital that is affiliated with a university. University hospitals provide clinical education and training to future and current doctors, nurses, and other health professionals, in addition to delivering medical care to patients
valley of the kings — a valley on the west bank of the Nile near the site of Thebes: the necropolis of many of the kings and queens of the 18th and 19th dynasties of ancient Egypt, c1350–c1200 b.c.
velocity microphone — a microphone in which the output varies according to the instantaneous velocity of the air molecules in the incident sound waves.
wearable technology — a small computer or advanced electronic device that is worn or carried on the body: the trendiest wearable technologies.
welsh mountain pony — a small sturdy but graceful breed of pony used mostly for riding, originally from Wales
wesleyan methodists — a branch of the Methodist Church in its original form
wireless telegraphy — Now Rare. radiotelegraphy.
withdrawal syndrome — a spectrum of physical and behavioral symptoms following cessation from the continuous use of an addictive drug, the character and severity of the symptoms depending upon the particular drug and the daily dose.
yellowtail kingfish — a large carangid game fish, Seriola grandis, of S Australian waters
yourdon methodology — (programming) The software engineering methodology developed by Edward Yourdon and colleagues in the 1970s and 1980s. "Yourdon methodology" is a generic term for all of the following methodologies: Yourdon/Demarco, Yourdon/Constantine, Coad/Yourdon.

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