23-letter words containing d, i, s, c, r, m
- quantum electrodynamics — the quantum field theory that deals with the electromagnetic field and its interaction with electrons and positrons. Abbreviation: QED.
- quantum flavourdynamics — a gauge theory of the electromagnetic and weak interactions
- real simple syndication — (spelling) Illiterate form of Really Simple Syndication.
- rheumatic heart disease — damage to the heart, especially to the valves, as a result of rheumatic fever, characterized by inflammation of the myocardium or scarring and malfunction of the heart valves.
- sb doesn't miss a trick — If you say that someone does not miss a trick, you mean that they always know what is happening and take advantage of every situation.
- sheltered accommodation — housing specially designed to provide a safe environment for the elderly, handicapped, or disabled, often with some shared facilities and a caretaker
- sierra madre occidental — the system of mountains in the west of Mexico
- social democratic party — History/Historical. a political party in Germany advocating a form of social organization based on the economic and political ideology of Karl Marx.
- somaliland protectorate — official name of the former British Somaliland.
- state coordinate system — a system of right-angled planar coordinates established by the U.S. Coast and Geodetic Survey for each state in the United States.
- state-certified midwife — a midwife with a recognized qualification
- the chamber of deputies — the lower legislative assembly in some parliaments
- transcendental idealism — the Kantian doctrine that reality consists not of appearances, but of some other order of being whose existence can be inferred from the nature of human reason
- trellis code modulation — (TCM) A modulation technique with hardware error detection and correction.
- ulster defence regiment — a former reserve regiment of the British Army based in Northern Ireland
- under the circumstances — a condition, detail, part, or attribute, with respect to time, place, manner,agent, etc., that accompanies, determines, or modifies a fact or event; a modifying or influencing factor: Do not judge his behavior without considering every circumstance.
- united methodist church — the largest denomination of the Methodist church in the U.S., formed in 1939 from the merger of the Methodist Episcopal Church, the Methodist Episcopal Church, South, and the Methodist Protestant Church, with the addition in 1968 of the Evangelical United Brethren.
- volumetric displacement — the volume of air per revolution that passes through a mechanical pump when the pressure at the intake and the exhaust is the same as that of the atmosphere