single line commentA comment in the form // This line will be ignored by the compiler.
Single Member District (SMD)Single Member Districts are boundaries, within ANCs, developed by the DC City Council.
Single Opt-InA user has subscribed for a newsletter or other email marketing messages by explicitly requesting it.
single point keying[A] means of distributing key to multiple, local crypto-equipment or devices from a single fill point. [INFOSEC-99]
single point of controlA control relationship where the same phase or aspect of a call/service attempt is influenced by one and only one service control function. [T1.667-1999]
single precisionRefers to a level of coordinate accuracy based on the number of significant digits that can be stored for each coordinate.
single sign-onA process that enables a user with a domain account to log on to a network once, using a password or smart card, and to gain access to any computer in the…
Single valuedA property that can hold only one value. See also: property value
Single-AZ DB InstanceA standard (non-Multi-AZ) DB instance that is deployed in one Availability Zone, without a standby replica in another Availability Zone.
single-ended service featureA feature, e.g., call/service attempt manipulation, that applies to only one of the parties that may be involved on a call/service attempt. [T1.667-1999]
single-ended synchronizationSynchronization between two locations, in which phase error signals used to control the clock at one location are derived by comparing the phase of the…
single-frequency (SF) signalingIn telephony, signaling in which dial pulses or supervisory signals are conveyed by a single voice-frequency tone in each direction.
single-frequency interferenceInterference caused by a single-frequency source. Note 1: An example of single-frequency interference is interference in a transmission channel induced by…
single-harmonic distortionOf a fundamental frequency, the ratio of the power of a specified harmonic to the power of the fundamental frequency.
Single-Hop ProblemThe security risks resulting from an mobile software agent moving from its home platform to another platform.
Single-Level DeviceA device that is used to process data of a single security level at any one time.
Single-master operationsActive Directory operations that are single-master, that is, not permitted to occur at different places in the network at the same time.
single-polarized antennaAn antenna that radiates or receives radio waves with a specific polarization. Note: For a singly polarized antenna, the desired sense of polarization is…
single-sideband (SSB) equipment reference levelThe power of one of two equal tones that, when used together to modulate a transmitter, cause it to develop its full rated peak power output.
single-tone interferenceAn undesired discrete frequency appearing in a transmission channel. Note: The single-tone interference frequency is the frequency that appears in the…
SingletA space vehicle, such as a Brilliant Pebble, which contains only one intercept vehicle.
singleton patternA pattern that allows us to ensure that only a single instance of a particular class exists at any one time. Such an instance is called a singleton.
Singular Value DecompositionThe process of breaking down a large database to find the document vector (relevance) for various items by comparing them to other items and documents.
SinkAny process, activity, or mechanism which removes a greenhouse gas, an aerosol, or a precursor of a greenhouse gas or aerosol from the atmosphere.
SiphoningThe use of various means to steal another site's traffic. Techniques used include the wholesale copying of web pages (with the copied page altered…
SIPRIStockholm International Peace Research Institute (Sweden).
SIPRNET(1) Secret Internet Protocol Router Network. (2) Secure Information Protocol Net.
SIPT(1) System Integrated Product Team. (2) Services Integrated Product Team.
SIRa published statutory invention registration contains the specification and drawings of a regularly filed nonprovisional application for a patent without…
SiteIn archeology, any location of past human activity.
site certificateA certificate obtained for an individual site. A site certificate is different from a trusted root certificate in that a site certificate lets you access…
site collectionA set of Web sites on a virtual server that have the same owner and share administration settings.
Site ConnectorAn Exchange component that enables users in sites on the same local area network (LAN) to exchange messages. [Exchange 5.5]
Site database(_SITEDB)The site database contains all portal and team site information including documents and lists.
site groupSite groups are custom security groups that apply to a specific Web site. Users are assigned to site groups to grant them permissions on a SharePoint site.
Site GroupsSite groups are custom security groups that apply to a specific Web site. Users are assigned to site groups to grant them permissions on a SharePoint site.
Size of Threat Corridor( LxWxAltitude ) A volume of space in which a particular group of RVs would occupy, defined by launch location and designated target area.
skewIn parallel transmission, the difference in arrival time of bits transmitted at the same time. 2.
skew rayIn a multimode optical fiber, a bound ray that travels in a helical path along the fiber and thus (a) is not parallel to the fiber axis, (b) does not lie…
SkewingArtificially changing search engine results so that, for example, popular queries will return artificially created listings.
SkimmingThe act of obtaining data from an unknowing end user who is not willingly submitting the sample at that time.
skin effectThe tendency of alternating current to flow near the surface of a conductor, thereby restricting the current to a small part of the total cross-sectional…
SKIPA non-digging bucket or tray that hoists material
skip distanceAt a given azimuth, the minimum distance between the transmitting station and the closest point of return to the Earth of a transmitted wave reflected…
skip zoneAn annular region within the transmission range of an antenna, within which signals from the transmitter are not received.
SKKP(Former) Soviet system of outer space monitoring.
SkunkworksA separate program management operation established to operate outside the normal process, either to expedite development or because of high security…
sky waveA radio wave that travels upward from the antenna. Note: A sky wave may be reflected to Earth by the ionosphere.
SkyscraperA tall, thin ad unit that runs down the side of a web page. A skyscraper can be 120 x 600 pixels or160 x 600 pixels.
SLA (Service Level Agreement)is the policy that a Cloud providing company will make to its clients to guarantee how their services will work.
SLA-drivenThe system is dynamically managed by service-level agreements that define policies such as how quickly responses to requests need to be delivered.
slab-dielectric waveguideAn electromagnetic waveguide (a) that consists solely of dielectric materials, (b) in which the dielectric propagation medium has a rectangular cross…
Slack SpaceA form of residual data, slack space is the amount of on-disk file space from the end of the logical record information to the end of the physical disk…
SLAM-ERStandoff Land Attack Missile-Expanded Response (USN term).
slammingThe action that occurs when a customer's long-distance telephone service (carrier selection) is switched from one long distance company to another without…
slant rangeThe line-of-sight distance between two points, not at the same level relative to a specific datum.
Slap FingerprintFingerprints taken by simultaneously pressing the four fingers of one hand onto a scanner or a fingerprint card, as illustrated below.
SlaveA remote system or terminal whose functions are controlled by a central "master" system.
slave clockA clock that is coordinated with a master clock. Note 1: Slave clock coordination is typically achieved by phase-locking the slave clock output signal to…