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Horology
Horology, determination and standardization of time, apparent and mean time, equation of time.
- Code
-
Meaning
Language
Themes and places
- AM
-
Ante Meridiem
- AOT
-
Actual Operating Time
- AOT
-
Avionics Operating Time
- APTT
-
Activated Partial Thromboplastin Time
- ASAP
-
As Soon As Possible
- AST
-
Atlantic Standard Time
- AT
-
Action Time
- AVQP
-
Aussi Vite Que Possible
- BCRT
-
Binary Code Range Time
- BP
-
Before Present
- BT
-
Burn Time
The abbreviation BT (Burn Time) is included in the abbreviation BTR (Burn Time Remaining).
- BTC
-
Binary Time Code
- BTR
-
Burn Time Remaining
The abbreviation BTR (Burn Time Remaining) includes the abbreviation BT (Burn Time).
- CCW
-
Counterclockwise
- CDC
-
Countdown Clock
- CDT
-
Central Daylight Time
- CDT
-
Countdown Time
- CET
-
Central European Time
- CETEHOR
-
Centre Technique de l’Industrie Horlogère
- CLT
-
Cairo Local Time
- CPDH
-
Comité Professionnel de Développement de l’Horlogerie
- CRT
-
Computer Response Time
- CST
-
Central Standard Time
- CT
-
Central Time
- CTE
-
Central Timing Equipment
- CTP
-
Communications Timing Procedure
- CTU
-
Central Timing Unit
- CUT
-
Coordinated Universal Time
The abbreviation CUT (Coordinated Universal Time) includes the abbreviation UT (Universal Time).
- DET
-
Digital Event Timer
The abbreviation DET (Digital Event Timer) includes the abbreviation ET (Event Timer).
- DOA
-
Date of Announcement
- DOP
-
Date of Publication
- DOR
-
Date of Ratification
- DOW
-
Date of Withdrawal
- DT
-
Delayed Time
- EDT
-
Eastern Daylight Time
- EGT
-
Elapsed Ground Time
- EIT
-
Entry Interface Time
- EPTU
-
Events Per Time Unit
- EST
-
Eastern Standard Time
- ET
-
Elapsed Time
The abbreviation ET (Elapsed Time) is included in abbreviations such as MET (Mission Elapsed Time), FET (Flight Elapsed Time), GET (Ground Elapsed Time), GETI (Ground Elapsed Time of Ignition), GETL (Ground Elapsed Time of Landing), OMET (Orbiter Mission Elapsed Time), PET (Phase Elapsed Time) and PET (Program Elapsed Time).
- ET
-
Event Timer
The abbreviation ET (Event Timer) is included in the abbreviation DET (Digital Event Timer).
- ETA
-
Estimated Time of Arrival
- ETA
-
Estimated Time to Acquisition
- ETIC
-
Estimated Time In Commission
- ETOC
-
Estimated Time Of Correction
- ETT
-
Estimated Time of Track
- FET
-
Flight Elapsed Time
The abbreviation FET (Flight Elapsed Time) includes the abbreviation ET (Elapsed Time).
- GET
-
Ground Elapsed Time
The abbreviation GET (Ground Elapsed Time) is included in abbreviations such as GETI (Ground Elapsed Time of Ignition) and GETL (Ground Elapsed Time of Landing), and it includes the abbreviation ET (Elapsed Time).
- GETI
-
Ground Elapsed Time of Ignition
The abbreviation GETI (Ground Elapsed Time of Ignition) includes abbreviations ET (Elapsed Time) and GET (Ground Elapsed Time).
- GETL
-
Ground Elapsed Time of Landing
The abbreviation GETL (Ground Elapsed Time of Landing) includes abbreviations ET (Elapsed Time) and GET (Ground Elapsed Time).
- GMT
-
Greenwich Mean Time
The abbreviation GMT (Greenwich Mean Time) is included in abbreviations such as OGMT (Orbiter Greenwich Mean Time) and SGMT (Simulated Greenwich Mean Time).
- IORTD
-
Input/Output Relationships and Timing Diagram
- ISST
-
International Society for the Study of Time (https://studyoftime.org/)
- JED
-
Julian Ephemeris Date
- LOT
-
Lift-Off Time
- LST
-
Local Standard Time
- LT
-
Long Terme
- MDT
-
Mountain Daylight Time
- MET
-
Mission Elapsed Time
The abbreviation MET (Mission Elapsed Time) is included in the abbreviation OMET (Orbiter Mission Elapsed Time), and it includes the abbreviation ET (Elapsed Time).
- MET
-
Master Events Timer
- MET
-
Mission Events Timer
- MFT
-
Mean Flight Time
- MST
-
Mountain Standard Time
- MT
-
Mountain Time
- MTBCF
-
Mean Time Between Critical Failures
- MTBD
-
Mean Time Between Demand
- MTBF
-
Mean Time Between Failures
- MTBM
-
Mean Time Between Maintenance
The abbreviation MTBM (Mean Time Between Maintenance) is included in the abbreviation MTBMA (Mean Time Between Maintenance Action).
- MTBMA
-
Mean Time Between Maintenance Action
The abbreviation MTBMA (Mean Time Between Maintenance Action) includes the abbreviation MTBM (Mean Time Between Maintenance).
- MTBR
-
Mean Time Between Removal
- MTBR
-
Mean Time Between Replacement
- MTG
-
Master Timing Generator
- MTO
-
Master Timing Oscillator
- MTS
-
Master Timing System
The abbreviation MTS (Master Timing System) includes the abbreviation TS (Timing System).
- MTTA
-
Mean Time To Accomplish
- MTTE
-
Mean Time To Exchange
- MTTF
-
Mean Time To Failure
- MTTFF
-
Mean Time To First Failure
- MTTR
-
Mean Time To Repair
- MTTRF
-
Mean Time To Restore Function
- MTU
-
Master Timing Unit
- OGMT
-
Orbiter Greenwich Mean Time
The abbreviation OGMT (Orbiter Greenwich Mean Time) includes the abbreviation GMT (Greenwich Mean Time).
- OMET
-
Orbiter Mission Elapsed Time
The abbreviation OMET (Orbiter Mission Elapsed Time) includes abbreviations MET (Mission Elapsed Time) and ET (Elapsed Time).
- PET
-
Phase Elapsed Time
The abbreviation PET (Phase Elapsed Time) includes the abbreviation ET (Elapsed Time).
- PET
-
Program Elapsed Time
The abbreviation PET (Program Elapsed Time) includes the abbreviation ET (Elapsed Time).
- PIC
-
Programmable Interval Clock
- PM
-
Post Meridiem
- PTB
-
Payload Timing Buffer
- PTM
-
Pulse Time Modulation
- PiCT
-
Prothrombinase-induced Clotting Time
- RAG
-
Reusable Agenda
- RTC
-
Real-Time Clock
- SCTE
-
Spacecraft Central Timing Equipment
- SGMT
-
Simulated Greenwich Mean Time
The abbreviation SGMT (Simulated Greenwich Mean Time) includes the abbreviation GMT (Greenwich Mean Time).
- SLFC
-
Selectable Low-Frequency Clock
- T&CD
-
Timing and Countdown
- T&F
-
Time and Frequency
- T&M
-
Time and Material
- TAB
-
Time After Burst
- TAC
-
Timing and Address Counter
- TALO
-
Time After Lift-Off
- TB
-
Time Base
- TCD
-
Timing Control Distributor
- TCG
-
Time Code Generator
- TCSPC
-
Time Correlated Single Photon Counting
- TCTI
-
Time Compliance Technical Instruction
- TCTO
-
Time Compliance Technical Order
The abbreviation TCTO (Time Compliance Technical Order) includes the abbreviation TO (Technical Order).
- TCTR
-
Time Compliance Technical Requirement
- TDB
-
Time Duration of Burn
- TDOA
-
Time Difference Of Arrival
- TDU
-
Time Display Unit
- TE
-
Timing Electronics
- TER
-
Time Estimating Relationship
- TET
-
Trajectory Events Timeline
- TFI
-
Time From Ignition
- TFL
-
Time From Launch
- TGO
-
Time To Go
- THDS
-
Time Homogeneous Data Set
- TI
-
Timing Interface
- TIG
-
Time of/until Ignition
- TLS
-
Time Line Sheet
- TM
-
Time Management
The abbreviation TM (Time Management) is included in the abbreviation TMP (Time Management Processor).
- TMECO
-
Time of Main Engine Cutoff
- TMP
-
Time Management Processor
The abbreviation TMP (Time Management Processor) includes the abbreviation TM (Time Management).
- TOD
-
Time Of Day
- TP
-
Time to Perigee
- TR
-
Time to Retrofire
- TRON
-
Time Rationale Organizational Notation
- TRS
-
Time Reference System
- TS
-
Timing System
The abbreviation TS (Timing System) is included in the abbreviation MTS (Master Timing System).
- TSO
-
Time Since Overhaul
- TSU
-
Time Standard Unit
- TT
-
Terminal Timing
- TTA
-
Time To Apogee
- TTE
-
Time To Event
- TTP
-
Time Triggered Protocol
- TTP
-
Time To Perigee
- TTU
-
Timing Terminal Unit
- ToA
-
Time of Arrival
- UT
-
Universal Time
The abbreviation UT (Universal Time) is included in abbreviations such as UTC (Universal Time, Coordinated), CUT (Coordinated Universal Time) and UTC (Universal Time Compensated).
- UTC
-
Universal Time, Coordinated
The abbreviation UTC (Universal Time, Coordinated) includes the abbreviation UT (Universal Time).
- UTC
-
Universal Time Compensated
The abbreviation UTC (Universal Time Compensated) includes the abbreviation UT (Universal Time).
- UTC
-
User Time Clock
- WBCT
-
Whole Blood Clotting Time