15-letter words containing s, i, l, y
- irreversibility — not reversible; incapable of being changed: His refusal is irreversible.
- island grey fox — a similar and related animal, U. littoralis, inhabiting islands off North America
- isle of sheppey — an island in SE England, off the N coast of Kent in the Thames estuary: separated from the mainland by The Swale, a narrow channel. Chief towns: Sheerness, Minster. Pop: 37 852 (2001 est). Area: 80 sq km (30 sq miles)
- isoamyl acetate — a colorless liquid, C 7 H 14 O 2 , used in flavorings, perfumery, and as a solvent. Compare banana oil (def 1).
- isopropyl ether — a colorless, volatile, flammable, slightly water-soluble liquid, C 6 H 14 O, used chiefly as a solvent for waxes, fats, and resins.
- isopropyl group — the univalent group C 3 H 7 , an isomer of the propyl group.
- isotope geology — the study and application of stable and radioactive isotopes to geological processes and their time scales
- it's early days — If you say about something that might be true that it is early days, you mean that it is too soon for you to be completely sure about it.
- italian cypress — a tall Eurasian cypress, cupressus sempervirens, native to the eastern Mediterranean region
- jubilate-sunday — Also called Jubilate Sunday. the third Sunday after Easter: so called from the first word of the 65th Psalm in the Vulgate, which is used as the introit.
- kailyard school — a school of writers describing homely life in Scotland, with much use of Scottish dialect: in vogue toward the close of the 19th century.
- keyboard skills — ability to input information using a keyboard
- kinesthesiology — The medical and therapeutic study of the movement of muscles and joints.
- kinesthetically — In a kinesthetic way, or in terms of kinesthetics.
- labyrinthodonts — Plural form of labyrinthodont.
- lackadaisically — without interest, vigor, or determination; listless; lethargic: a lackadaisical attempt.
- ladies' gallery — a gallery in the old House of Commons set aside for women spectators
- 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
- learned society — an organization devoted to the scholarly study of a particular field or discipline, as modern languages, psychology, or history.
- 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.
- leukodystrophic — Of or pertaining to leukodystrophy.
- 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
- lord privy seal — a cabinet minister without portfolio.
- 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.
- 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.
- 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.
- mechanistically — of or relating to the theory of mechanism or to mechanists.
- medical history — the past background of a person in terms of health
- microcosmically — in a microcosmic manner
- microphysically — in a microphysical manner
- microscopically — so small as to be invisible or indistinct without the use of the microscope: microscopic organisms. Compare macroscopic.
- microsporophyll — a leaflike organ bearing microsporangia.
- mid-lent sunday — Laetare Sunday.