18-letter words containing t, o, l, h
- inter-relationship — reciprocal relation.
- internet telephony — IP Telephony
- interrelationships — Plural form of interrelationship.
- iron (ii) sulphate — an iron salt with a saline taste, usually obtained as greenish crystals of the heptahydrate, which are converted to the white monohydrate above 100°C: used in inks, tanning, water purification, and in the treatment of anaemia. Formula: FeSO4
- isolation hospital — a hospital used to isolate or quarantine people with a contagious disease
- isothermal process — a process that takes place without change in temperature.
- james-lange theory — a theory that emotions are caused by bodily sensations; for example, we are sad because we weep
- jewel in the crown — the most valuable, esteemed, or successful person or thing of a number
- johnny-come-lately — a late arrival or participant; newcomer: the Johnny-come-latelies producing space-war films after the trend had ended.
- junior lightweight — a boxer weighing up to 130 pounds (58.5 kg), between featherweight and lightweight.
- king of the castle — most powerful figure
- king-of-the-salmon — a ribbonfish, Trachypterus altivelis, of northern parts of the Pacific Ocean.
- kingston upon hull — official name of Hull.
- kingston-upon-hull — official name of Hull.
- lactogenic hormone — prolactin.
- lagrange's theorem — the theorem that the order of each subgroup of a finite group is a factor of the order of the group.
- lake pontchartrain — a shallow lagoon in SE Louisiana, linked with the Gulf of Mexico by a narrow channel, the Rigolets: resort and fishing centre. Area: 1620 sq km (625 sq miles)
- lambeth conference — a convention of the bishops of the Anglican communion, held about every 10 years at Lambeth Palace to confer but not to define doctrine or to legislate on ecclesiastical matters.
- last chance saloon — a place frequented by unsavoury or contemptible people
- laugh out of court — to express mirth, pleasure, derision, or nervousness with an audible, vocal expulsion of air from the lungs that can range from a loud burst of sound to a series of quiet chuckles and is usually accompanied by characteristic facial and bodily movements.
- lay at the door of — to blame (a person) for
- lay it on the line — a mark or stroke long in proportion to its breadth, made with a pen, pencil, tool, etc., on a surface: a line down the middle of the page.
- leave sth too late — If you leave something too late, you delay doing it so that when you eventually do it, it is useless or ineffective.
- lesser whitethroat — an Old World warbler, Sylvia curruca, having a greyish-brown plumage with a white throat and underparts
- lily of the valley — a plant, Convallaria majalis, having an elongated cluster of small, drooping, bell-shaped, fragrant white flowers.
- lincoln's birthday — February 12, a legal holiday in some states of the U.S., in honor of the birth of Abraham Lincoln.
- liqueur chocolates — chocolates containing liqueur
- list comprehension — (functional programming) An expression in a functional language denoting the results of some operation on (selected) elements of one or more lists. An example in Haskell: This returns all pairs of numbers (x,y) where x and y are elements of the list 1, 2, ..., 10, y <= x and their sum is less than 10. A list comprehension is simply "syntactic sugar" for a combination of applications of the functions, concat, map and filter. For instance the above example could be written: The term "list comprehension" appears in the references below. The earliest reference to the notation is in Rod Burstall and John Darlington's description of their language, NPL. David Turner subsequently adopted this notation in his languages SASL, KRC and Miranda, where he has called them "ZF expressions", set abstractions and list abstractions (in his 1985 FPCA paper [Miranda: A Non-Strict Functional Language with Polymorphic Types]).
- literae humaniores — (at Oxford University) the faculty concerned with Greek and Latin literature, ancient history, and philosophy; classics
- lithostratigraphic — Of or pertaining to lithostratigraphy.
- lives of the poets — a collection (1779–81), by Samuel Johnson, of biographical and critical essays on 52 English poets.
- logarithmic spiral — log r = aθ
- logarithmus dualis — (mathematics) (ld) Latin for logarithm base two. More commonly written as "log" with a subscript "2". Roughly the number of bits required to represent an integer.
- logical shift left — logical shift
- lonely hearts club — a club for people who are trying to find a lover or a friend
- long hundredweight — a hundredweight of 112 pounds (50.8 kg), the usual hundredweight in Great Britain, but now rare in the U.S.
- long-horned beetle — any of numerous, often brightly colored beetles of the family Cerambycidae, usually with long antennae, the larva of which bores into the wood of living or decaying trees.
- long-hours culture — The long-hours culture is the way in which some workers feel that they are expected to work much longer hours than they are paid to do.
- look the other way — look in the opposite direction
- lord chief justice — the presiding judge of Britain's High Court of Justice, the superior court of record for both criminal and civil cases.
- loschmidt's number — the number of molecules in one cubic centimeter of an ideal gas at standard temperature and pressure, equal to 2.687 × 10 19.
- lower klamath lake — See under Klamath Lakes.
- lower palaeolithic — the earliest of the three sections of the Palaeolithic, beginning about 3 million years ago and ending about 70 000 bc with the emergence of Neanderthal man
- magnetorheological — (physics) describing a substance whose rheological properties are modified by a magnetic field.
- make a meal of sth — If you think someone is taking more time and energy to do something than is necessary, you can say that they are making a meal of it.
- maternity hospital — birthing facility
- 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
- median lethal dose — the quantity of a lethal substance, as a poison or pathogen, or of ionizing radiation that will kill 50 percent of the organisms subjected to it in a specified time period. Symbol: LD 5 0.