| Subject | English | Thesaurus |
| physiol., abbr. | Absolute Threshold of Hearing | ATH |
| abbr., astronaut., mil. | Adaptive Threshold Detection with Estimated Sequence | ATDES |
| IT, abbr. | Adaptive Threshold Learning | ATL (Neuronale Netze) |
| abbr. | Adjustable Threshold MOS | ATMOS (Vosoni) |
| abbr., mil. | all-fire threshold | all-fire level |
| physiol., abbr. | Anaerobic Threshold | AT |
| busin., abbr. | At The Threshold | ATT |
| ecol., abbr. | Below Reportable Threshold | BRT |
| abbr. | chronic effect threshold dose PDchr or Limchr | Limchr (MichaelBurov) |
| aeron., abbr. | Contralateral Threshold Shift | CTS |
| abbr., astronaut., mil. | Digital Noise Riding Threshold | DNRT |
| metrol. | discrimination threshold | The smallest change in the input of a device which causes a perceptible response in its output |
| avia., Canada | displaced threshold | A threshold not located at the end of a runway |
| abbr., audit. | Group Audit Misstatement Posting Threshold | AMPT (K@rin@) |
| physiol., abbr. | Heat Pain Perception Threshold | HPPT |
| abbr., physiol. | Individual Perception Threshold | IPT (Vosoni) |
| abbr., mil., WMD | Inhalable Particulate Mass-Threshold Limit Values | IPM-TLVs |
| physiol., abbr. | Lactate Threshold | LT |
| abbr., telecom. | long wave length threshold | long wavelength threshold (ssn) |
| abbr., telecom. | long wave length threshold | long wave-length threshold (ssn) |
| abbr., telecom. | long wavelength threshold | long wave-length threshold (ssn) |
| abbr., telecom. | long wave-length threshold | long wavelength threshold (ssn) |
| abbr., telecom. | long wave-length threshold | long wave length threshold (ssn) |
| abbr., telecom. | long wavelength threshold | long wave length threshold (ssn) |
| abbr., file.ext. | Low Core Threshold | LOW |
| el., abbr. | Lower Threshold | LT |
| el., abbr. | Peaks Over Threshold | POT |
| math., abbr. | Queue Threshold | QT |
| physiol., abbr. | Retinal Damage Threshold | RDT |
| toxicol. | selective effect threshold Limsp | Limsp (MichaelBurov) |
| el., abbr. | Self Adjusting Threshold | SAT |
| abbr., mil., WMD | Significant Threshold Shift | STS |
| abbr., mil., commer. | Simplified Acquisition Threshold | SAT |
| IT, abbr. | Speech Reception Threshold | SRT |
| abbr., med. | Speech Recognition Threshold | SRT (harser) |
| abbr., meas.inst. | sub threshold turnon | subthreshold turnon (ssn) |
| abbr., meas.inst. | sub threshold turnon | subthreshold turn-on (ssn) |
| abbr., meas.inst. | sub threshold turnon | sub threshold turn-on (ssn) |
| abbr., meas.inst. | sub threshold turn-on | sub threshold turnon (ssn) |
| abbr., meas.inst. | sub threshold turn-on | subthreshold turnon (ssn) |
| abbr., meas.inst. | sub threshold turn-on | subthreshold turn-on (ssn) |
| abbr., mil., WMD | Thoracic Particulate Mass-Threshold Limit Values | TPM-TLVs |
| tech., abbr. | Threshold Circuit | TC |
| telecom., abbr. | Threshold Crossing Alert | TCA |
| transp., abbr. | Threshold Crossing Height | TCH |
| avia., Canada | threshold crossing height | The height of the glide path (GP) above the runway threshold |
| mil. | threshold effect | An effect for which a threshold dose must be exceeded before the effect is observed |
| el., abbr. | Threshold Exceeded Condition | TEC |
| abbr., astronaut., mil. | Threshold Extension Demodulator | TED |
| abbr., toxicol. | Threshold for Toxicologic Concern | TTC (Игорь_2006) |
| progr. | threshold function | Heaviside function (ssn) |
| ed., abbr. | Threshold Knowledge Test | TKT |
| avia., Canada | threshold lights | Lights placed across the ends of a runway or landing strip to indicate its usable limits |
| el., abbr. | Threshold Limit Median | TLM |
| biochem., abbr. | Threshold Limit Value | TLW |
| comp., abbr. | Threshold Logic Unit | TLU |
| math., abbr. | Threshold Method | TM |
| ecol., abbr. | Threshold Test Ban Treaty | TTBT |
| abbr. | threshold theorem | limit theorem (ssn) |
| abbr. | threshold theorem | boundary value theorem (ssn) |
| metrol. | threshold value | The smallest change in the input of a device, starting from the zero point, which causes a perceptible response in its output |
| el., abbr. | Uniform Threshold Quantizer | UTQ |
| el., abbr. | Upper Threshold | UT |
| NASA, abbr. | Very Low Threshold | VLT |
| mil., abbr. | Warning Threshold Selection Model | WTSM |