25-letter words containing a, l, r, m, e, c
- please clean my room sign — A please clean my room sign is a sign that a guest in a hotel hangs outside their room to tell the cleaner the room is available for cleaning.
- polycystic ovary syndrome — a hormonal disorder in which the Graafian follicles in the ovary fail to develop completely so that they are unable to ovulate, remaining as multiple cysts that distend the ovary. The results can include reduced fertility, obesity, and hirsutism
- polymerase chain reaction — a technique in which a known DNA sequence is synthesized at high temperatures by means of a polymerase, producing millions of copies for statistical analysis: used in DNA fingerprinting, in detecting minute quantities of cancer cells, etc.
- prices and incomes policy — voluntary or statutory regulation of the level of increases in prices and incomes
- primary domain controller — (networking) (PDC) Each Windows NT domain has a Primary Domain Controller and zero or more Backup Domain Controllers. The PDC holds the SAM database and authenticates access requests from workstations and servers in the domain.
- rate monotonic scheduling — (algorithm) A means of scheduling the time allocated to periodic hard-deadline real-time users of a resource. The users are assigned priorities such that a shorter fixed period between deadlines is associated with a higher priority. Rate monotonic scheduling provides a low-overhead, reasonably resource-efficient means of guaranteeing that all users will meet their deadlines provided that certain analytical equations are satisfied during the system design. It avoids the design complexity of time-line scheduling and the overhead of dynamic approaches such as earliest-deadline scheduling.
- really simple syndication — Rich Site Summary
- sequential parlog machine — (SPM) The virtual machine (and its machine code) for the Parlog logic programming language.
- single document interface — (programming) (SDI) A limitation applying to an application program that only shows a single windows giving a view of one document at a time. The opposite is Multiple Document Interface (MDI).
- single wingback formation — an offensive formation in which the wingback lines up outside of and about one yard behind an end, the quarterback lines up lateral to the wingback but about midway between the same end and the center, the fullback is three or four yards behind the middle of the line, and the tailback lines up one yard behind the fullback on the other side of the line from the wingback and quarterback.
- single-lens reflex camera — a camera in which the image appears on a ground-glass viewer (focusing screen) after being reflected by a mirror or after passing through a prism or semitransparent glass; in one type (single-lens reflex camera) light passes through the same lens to both the ground glass and the film, while in another type (twin-lens reflex camera) light passes through one lens (viewing lens) to the ground glass and through a second lens (taking lens) to the film, the lenses being mechanically coupled for focusing.
- sulphate-resisting cement — a type of Portland cement that resists normal concentrations of sulphates: used in concrete for flues and underwater work
- the calm before the storm — You can use the calm before the storm to refer to a quiet period in which there is little or no activity, before a period in which there is a lot of trouble or intense activity.
- the meteorological office — a British Government department supplying weather forecasts
- thermodynamic equilibrium — the condition of an isolated system in which the quantities that specify its properties, such as pressure, temperature, etc, all remain unchanged
- thermoluminescence dating — a method of dating archaeological specimens, chiefly pottery, by measuring the radiation given off by ceramic materials as they are heated.
- thin-layer chromatography — chromatography in which glass plates coated with thin layers of alumina, silica gel, or cellulose are used as an adsorbent.
- time domain reflectometer — (hardware, networking) (TDR) An electronic device for detecting and locating short- or open-circuits in an Ethernet cable. TDRs can also measure how the characteristic impedance of a line varies along its length.
- transcendental meditation — a technique, based on ancient Hindu writings, by which one seeks to achieve a relaxed state through regular periods of meditation during which a mantra is repeated. Abbreviation: TM.
- undisputed world champion — a boxer who holds the World Boxing Association, the World Boxing Council, the World Boxing Organization, and the International Boxing Federation world championship titles simultaneously
- yakut autonomous republic — an autonomous republic in the NE Russian Federation in Asia. 1,198,146 sq. mi. (3,103,200 sq. km). Capital: Yakutsk.