Glossary · Nouns · T
L1 — paginated flat list. Pick a POS, pick a letter.
TermTypeDefinitionClassificationsUpdated
Twice-Baked BreadnounMWEslice of sweet raised bread baked again until it is brown and hard and crispverified
Twilight SleepnounMWEa state of general anesthesia in which the person retains a slight degree of consciousnessverified
Twilight VisionnounMWEthe ability to see in reduced illumination, like in the darkness of nightverified
Twilight ZonenounMWEthe ambiguous region between two categories or states or conditions (usually containing some features of both)verified
Twin BillnounMWEtwo games instead of one (especially in baseball when the same two teams play two games on the same day)verified
Twin-Propnouna propeller plane with an engine that drives two propellers in opposite directions (for stability)verified
Twin-Propeller-Planenouna propeller plane with an engine that drives two propellers in opposite directions (for stability)verified
Twinernounsomeone who intertwines (e.g. threads) or forms something by twisting or interlacingverified
Twisternouna localized and violently destructive windstorm occurring over land characterized by a funnel-shaped cloud extending toward the groundverified
twonounThe cardinal number that is the sum of one and one or a numeral representing this number.verified
Two-Eyed VioletnounMWEviolet of Pacific coast of North America having white petals tinged with yellow and deep violetverified
Two-factor authenticationnounMWEThe use of two independent mechanisms for authentication, (e.g., requiring a smart card and a password) typically the combination of something you know, are or haveControl
Two-Part CodenounMWECode consisting of an encoding section, in which the vocabulary items (with their associated code groups) are arranged in alphabetical or other systematic order, and a decoding section, in which the code groups (with their associated meanings) are arranged in a separate alphabetical or numeric order.Artifact
Two-Person ControlnounMWEContinuous surveillance and control of positive control material at all times by a minimum of two authorized individuals, each capable of detecting incorrect and unauthorized procedures with respect to the task being performed and each familiar with established security and safety requirements.ControlRegulatedCUI
Two-Person IntegritynounMWESystem of storage and handling designed to prohibit individual access by requiring the presence of at least two authorized individuals, each capable of detecting incorrect or unauthorized security procedures with respect to the task being performed. See No-Lone Zone.ControlRegulatedCUI
Two-Tier BidnounMWEa takeover bid where the acquirer offers to pay more for the shares needed to gain control than for the remaining sharesverified
Two-Timernounsomeone who deceives a lover or spouse by carrying on a sexual relationship with somebody elseverified
Two-Toed AnteaternounMWEsquirrel-sized South American toothless anteater with long silky golden furverified
Two-Toed SlothnounMWEa sloth of Central America that has two long claws on each forefoot and three long claws on each hindfootverified
Two-way pollingnounMWEAn emergency notification system that allows management to ensure that all employees are contacted and have confirmed delivery of pertinent messages.ProcessInternal
Two-Way StreetnounMWEa street on which vehicular traffic can move in either of two directionsverified
Two-Winged InsectsnounMWEinsects having usually a single pair of functional wings (anterior pair) with the posterior pair reduced to small knobbed structures and mouth parts adapted for sucking or lapping or piercingverified
Twofernouna coupon that allows the holder to purchase two items (as two tickets to a play) for the price of oneverified
Tympaninouna large hemispherical brass or copper percussion instrument with a drumhead that can be tuned by adjusting the tension on itverified
Tympanitesnoundistension of the abdomen that is caused by the accumulation of gas in the intestines or the peritoneal cavityverified
Tympanoplastynounsurgical correction or repair of defects or injuries in the eardrum or the bones of the middle earverified
Tympanumnouna large hemispherical brass or copper percussion instrument with a drumhead that can be tuned by adjusting the tension on itverified
Type 1 KeynounMWEGenerated and distributed under the auspices of NSA for use in a cryptographic device for the protection of national security information.CredentialRegulatedCUI
Type 1 ProductnounMWECryptographic equipment, assembly or component classified or certified by NSA for encrypting and decrypting national security information when appropriately keyed. Developed using established NSA business processes and containing NSA-approved algorithms. Used to protect systems requiring the most stringent protection mechanisms.PhysicalRegulatedCUI
Type 2 KeynounMWEGenerated and distributed under the auspices of NSA for use in a cryptographic device for the protection of unclassified information.CredentialRegulatedCUI
Type 2 ProductnounMWECryptographic equipment, assembly, or component certified by NSA for encrypting or decrypting sensitive information when appropriately keyed. Developed using established NSA business processes and containing NSA-approved algorithms. Used to protect systems requiring protection mechanisms exceeding best commercial practices including systems used for the protection of unclassified information.PhysicalRegulatedCUI
Type 3 KeynounMWEUsed in a cryptographic device for the protection of unclassified sensitive information, even if used in a Type 1 or Type 2 product.CredentialRegulatedCUI
Type 3 ProductnounMWEUnclassified cryptographic equipment, assembly, or component used, when appropriately keyed, for encrypting or decrypting unclassified sensitive U.S. government or commercial information, and to protect systems requiring protection mechanisms consistent with standard commercial practices. Developed using established commercial standards and containing NIST-approved cryptographic algorithms/modules or successfully evaluated by the National Information Assurance Partnership (NIAP).PhysicalRegulatedCUI
Type 4 KeynounMWEUsed by a cryptographic device in support of its Type 4 functionality, i.e., any provision of key that lacks U.S. government endorsement or oversight.CredentialRegulatedCUI
Type 4 ProductnounMWEUnevaluated commercial cryptographic equipment, assemblies, or components that neither NSA nor NIST certify for any government usage. These products are typically delivered as part of commercial offerings and are commensurate with the vendor’s commercial practices. These products may contain either vendor proprietary algorithms, algorithms registered by NIST, or algorithms registered by NIST and published in a FIPS.ArtifactRegulatedCUI
Type AccreditationnounMWEA form of accreditation that is used to authorize multiple instances of a major application or general support system for operation at approved locations with the same type of computing environment. In situations where a major application or general support system is installed at multiple locations, a type accreditation will satisfy C&A requirements only if the application or system consists of a common set of tested and approved hardware, software, and firmware.ProcessRegulated
Type CertificationnounMWEThe certification acceptance of replica information systems based on the comprehensive evaluation of the technical and nontechnical security features of an information system and other safeguards, made as part of and in support of the formal approval process, to establish the extent to which a particular design and implementation meet a specified set of security requirements.ProcessRegulatedCUI
Type I Allergic ReactionnounMWEan allergic reaction that becomes apparent in a sensitized person only minutes after contactverified
Type IV Allergic ReactionnounMWEan allergic reaction that becomes apparent only hours after contactverified