18-letter words containing u, l, o, s
- helicopter gunship — military attack helicopter
- hold up one's head — to be unashamed
- honeysuckle family — the plant family Caprifoliaceae, typified by shrubs and woody vines having opposite leaves, clusters of usually flaring, narrow, tubular flowers, and various types of fruit, and including the elder, honeysuckle, snowberry, twinflower, and viburnum.
- houghton-le-spring — a town in N England, in Sunderland unitary authority, Tyne and Wear: coal-mining. Pop: 36 746 (2001)
- house of delegates — the lower house of the General Assembly in Virginia, West Virginia, and Maryland.
- hydrofluorocarbons — Plural form of hydrofluorocarbon.
- hypersexualisation — Alternative spelling of hypersexualization.
- hypersexualization — The act or process of hypersexualizing.
- hyposulfurous acid — an acid, H 2 S 2 O 4 , next in a series below sulfurous acid, known only in solution or in the form of its salts.
- ignatius of loyola — Loyola, Saint Ignatius.
- immunofluorescence — any of various techniques for detecting an antigen or antibody in a sample by coupling its specifically interactive antibody or antigen to a fluorescent compound, mixing with the sample, and observing the reaction under an ultraviolet-light microscope.
- immunohistological — the microscopic study of tissues with the aid of antibodies that bind to tissue components and reveal their presence.
- in terrorem clause — a clause in a will stating that a beneficiary who contests the will shall lose his or her legacy.
- incommensurability — not commensurable; having no common basis, measure, or standard of comparison.
- inconsequentiality — of little or no importance; insignificant; trivial.
- indus civilization — an ancient civilization that flourished in the Indus River valley, from about 2500 to 1500 b.c.: extensive archaeological excavations at the main sites of Mohenjo-Daro and Harappa in Pakistan.
- industrial diamond — a small often synthetic diamond, valueless as a gemstone, used in cutting tools, abrasives, etc
- inquisitor-general — the head of the Spanish court of Inquisition
- institutionalising — Present participle of institutionalise.
- institutionalizing — Present participle of institutionalize.
- instruction manual — how-to, usage guide
- intercartilaginous — (anatomy) Within cartilage.
- interinstitutional — Between institutions.
- involuntary muscle — muscle: contracts involuntarily
- 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
- iverson's language — APL, which went unnamed for many years.
- jerusalem syndrome — a delusive condition affecting some visitors to Jerusalem in which the sufferer identifies with a major figure from his or her religious background
- joint consultation — a formal system of communication between the management of an organization and the employees' representatives used prior to taking decisions affecting the workforce, usually effected through a joint consultative committee
- junior high school — a school attended after elementary school and usually consisting of grades seven through nine.
- just (plain) folks — simple and unassuming; not snobbish
- king's regulations — (in Britain and the Commonwealth when the sovereign is male) the code of conduct for members of the armed forces that deals with discipline, aspects of military law, etc
- kingston upon hull — official name of Hull.
- kingston-upon-hull — official name of Hull.
- komsomolsk-on-amur — city in SE Russia, on the Amur River: pop. 309,000
- krause's corpuscle — any of numerous encapsulated nerve endings occurring in the skin and mucous membranes, functioning as sensory cold receptors.
- last but not least — lastly
- last in, first out — The expression last in, first out is used to say that the last person who started work in an organization should be the first person to leave it, if fewer people are needed.
- last-in, first-out — an inventory plan based on the assumption that materials constituting manufacturing costs should be carried on the books at the market price of the last lot received. Abbreviation: LIFO. Compare first-in, first-out.
- lay down your arms — If soldiers lay down their arms, they stop fighting and give up their weapons.
- lenticular process — a method for producing images with a three-dimensional effect by photographing on lenticulated film.
- like a house afire — a building in which people live; residence for human beings.
- liqueur chocolates — chocolates containing liqueur
- liquid distributor — A liquid distributor is a device which is used to spread liquid when it enters a packed column (= a tall vessel with packing, used for separating substances).
- literae humaniores — (at Oxford University) the faculty concerned with Greek and Latin literature, ancient history, and philosophy; classics
- 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.
- lonely hearts club — a club for people who are trying to find a lover or a friend
- 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.
- 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.
- louisiana purchase — a treaty signed with France in 1803 by which the U.S. purchased for $15,000,000 the land extending from the Mississippi River to the Rocky Mountains and from Canada to the Gulf of Mexico.