15-letter words containing y, s
- lady's bedstraw — a Eurasian rubiaceous plant, Galium verum, with clusters of small yellow flowers
- lady's-earrings — any of several plants having pendent flowers thought to resemble earrings, as the jewelweed or the fuchsia.
- laser chemistry — the use of a laser to initiate and control chemical reactions.
- laser ring gyro — a system of aerial navigation in which rotation is sensed by the measuring of the frequency shift of laser light in a closed circuit in a horizontal plane
- laundry service — clothes-washing business
- lay oneself out — to put or place in a horizontal position or position of rest; set down: to lay a book on a desk.
- learned society — an organization devoted to the scholarly study of a particular field or discipline, as modern languages, psychology, or history.
- legacy software — legacy system
- lesser dionysia — (in ancient Attica) the wine feasts, processions, and dramatic performances composing one of the festivals honoring Dionysus, held in the middle of December.
- let yourself go — If you let yourself go, you relax and behave much more freely than usual.
- leukodystrophic — Of or pertaining to leukodystrophy.
- leyland cypress — a fast-growing cypress, Cupressocyparis leylandii, that is a hybrid produced by crossing the macrocarpa with the Nootka cypress (Chamaecyparis nootkatensis): widely grown for hedging
- library science — the study of the organization and administration of a library and of its technical, informational, and reference services.
- lifestyle block — a semi-rural property comprising a house and land for small-scale farming
- listed security — a security that is quoted on the main market of the London Stock Exchange and appears in its Official List of Securities
- lleyn peninsula — a peninsula in NW Wales between Cardigan Bay and Caernarfon Bay
- look-say method — a method of teaching beginners to read by memorizing and recognizing whole words, rather than by associating letters with sounds
- lopez y fuentes — Gregorio [gre-gaw-ryaw] /grɛˈgɔ ryɔ/ (Show IPA), 1895–1966, Mexican writer.
- lord privy seal — a cabinet minister without portfolio.
- lose your heart — If you lose your heart to someone, you fall in love with them.
- loyalty islands — a group of coral islands in the S Pacific belonging to the French territory of New Caledonia. 761 sq. mi. (1970 sq. km).
- luminous energy — light1 (def 2a).
- lymphoid tissue — of, relating to, or resembling lymph.
- machinery steel — low-carbon steel that can be easily machined.
- macro-sociology — the sociological study of large-scale social systems and long-term patterns and processes.
- macroscopically — visible to the naked eye. Compare microscopic (def 1).
- main royal mast — the part of the mainmast situated immediately above, and generally formed as a single spar with, the main topgallantmast.
- malay peninsula — a peninsula in SE Asia, consisting of W (mainland) Malaysia and the S part of Thailand.
- manorial system — manorialism.
- marfan syndrome — a hereditary disorder characterized by abnormally elongated bones, especially in the extremities, hypermotility of the joints, and circulatory and eye abnormalities.
- marine surveyor — a person who carries out surveys of ships to determine seaworthiness, etc
- market analysis — the process of determining factors, conditions, and characteristics of a market.
- martensitically — in a martensitic manner
- masculine rhyme — a rhyme of but a single stressed syllable, as in disdain, complain.
- masochistically — Psychiatry. having a condition in which sexual gratification depends on suffering, physical pain, and humiliation.
- mass psychology — the study of the behavior of large groups of people.
- master cylinder — the hydraulic pump of an automotive braking system that contains a cylinder and one or two pistons, is actuated by the brake pedal, and supplies hydraulic fluid under pressure to the brakes at each wheel.
- maternity dress — a dress worn by a pregnant woman and which is designed to allow for the changes in body size which take place during pregnancy
- maundy thursday — the Thursday of Holy Week, commemorating Jesus' Last Supper and His washing of the disciples' feet upon that day.
- meantone system — a system for tuning keyboard instruments, used before the development of tuning by equal temperament and considered practical only for tonalities of not more than two sharps or flats.
- mechanistically — of or relating to the theory of mechanism or to mechanists.
- mediastinoscopy — (medicine) A procedure for examining the inside of the mediastinum and the organs it encloses through a small incision, using an endoscope. This is a surgical procedure normally done under general anesthesia.
- medical history — the past background of a person in terms of health
- menstrual cycle — (in women of reproductive age) the cycle of physiological changes affecting the reproductive organs that takes place typically over a month and includes ovulation, thickening of the lining of the womb and menstruation if fertilization of the egg has not occurred
- merry christmas — well-wishes for Christmas season
- mesometeorology — the study of atmospheric phenomena of relatively small size, as thunderstorms or tornadoes, and of the detailed structure of larger disturbances.
- methylcellulose — a grayish-white powder prepared from cellulose that swells to a highly viscous colloidal solution in water: used as a food additive and in water paints, leather tanning, and cosmetics.
- microcosmically — in a microcosmic manner
- microdiscectomy — (surgery) microdecompression.
- microphysically — in a microphysical manner