Abbreviations starting with 0–9
225 abbreviations begin with 0–9. This page lists 000 to 9th Cir..
- 000 – Emergency telephone number (Australia)
- 1:1 – One-on-one (meeting)
- 1/2NS – Half-normal saline
- 1 Chron. – 1 Chronicles
- 1 Cor. – 1 Corinthians
- 1 Esd. – 1 Esdras
- 1 Jn – 1 John
- 1 Kgs. – 1 Kings
- 1 Macc. – 1 Maccabees
- 1 Pet. – 1 Peter
- 1 Sam. – 1 Samuel
- 1 Thess. – 1 Thessalonians
- 1 Tim. – 1 Timothy
- 10-1 – Receiving poorly
- 10-10 – Fight in progress
- 10-100 – Restroom break
- 10-13 – Weather and road report
- 10-16 – Domestic problem
- 10-17 – Meet complainant
- 10-18 – Quickly
- 10-19 – Return to station
- 10-2 – Receiving well
- 10-20 – Location
- 10-21 – Call by telephone
- 10-22 – Disregard
- 10-23 – Arrived at scene
- 10-24 – Assignment completed
- 10-27 – Driver's license information
- 10-28 – Vehicle registration information
- 10-29 – Check for wanted
- 10-3 – Stop transmitting
- 10-31 – Crime in progress
- 10-32 – Person with gun
- 10-33 – Emergency
- 10-36 – Correct time
- 10-4 – Acknowledgment (message received, OK)
- 10-41 – Beginning tour of duty
- 10-42 – Ending tour of duty
- 10-5 – Relay
- 10-50 – Accident
- 10-52 – Ambulance needed
- 10-55 – Intoxicated driver
- 10-57 – Hit and run
- 10-6 – Busy
- 10-7 – Out of service
- 10-70 – Fire alarm
- 10-76 – En route
- 10-77 – Estimated time of arrival
- 10-78 – Need assistance
- 10-8 – In service
- 10-80 – Pursuit in progress
- 10-9 – Repeat
- 10-97 – Check signal
- 10-99 – Wanted or stolen indicated
- 10-K – Form 10-K (annual report)
- 10-Q – Form 10-Q (quarterly report)
- 1031 – Like-kind exchange (Internal Revenue Code section 1031)
- 1040 – U.S. Individual Income Tax Return (IRS Form 1040)
- 1040-ES – Estimated Tax for Individuals (IRS Form 1040-ES)
- 1040-NR – U.S. Nonresident Alien Income Tax Return (IRS Form 1040-NR)
- 1040-SR – U.S. Tax Return for Seniors (IRS Form 1040-SR)
- 1040-X – Amended U.S. Individual Income Tax Return (IRS Form 1040-X)
- 1041 – U.S. Income Tax Return for Estates and Trusts (IRS Form…
- 1065 – U.S. Return of Partnership Income (IRS Form 1065)
- 1080p – 1080 progressive scan
- 1095-A – Health Insurance Marketplace Statement (IRS Form 1095-A)
- 1098 – Mortgage Interest Statement (IRS Form 1098)
- 1098-E – Student Loan Interest Statement (IRS Form 1098-E)
- 1098-T – Tuition Statement (IRS Form 1098-T)
- 1099 – IRS Form 1099 information return series
- 1099-B – Proceeds From Broker and Barter Exchange Transactions (IRS…
- 1099-DA – Digital Asset Proceeds From Broker Transactions (IRS Form…
- 1099-DIV – Dividends and Distributions (IRS Form 1099-DIV)
- 1099-G – Certain Government Payments (IRS Form 1099-G)
- 1099-INT – Interest Income (IRS Form 1099-INT)
- 1099-K – Payment Card and Third Party Network Transactions (IRS…
- 1099-MISC – Miscellaneous Information (IRS Form 1099-MISC)
- 1099-NEC – Nonemployee Compensation (IRS Form 1099-NEC)
- 1099-R – Distributions From Pensions, Annuities, Retirement or…
- 10DLC – 10-digit long code
- 10K – 10 kilometers
- 10MWT – Ten-meter walk test
- 10th Cir. – United States Court of Appeals for the Tenth Circuit
- 11-99 – Officer needs emergency help
- 112 – European emergency number
- 1120 – U.S. Corporation Income Tax Return (IRS Form 1120)
- 1120-S – U.S. Income Tax Return for an S Corporation (IRS Form…
- 11th Cir. – United States Court of Appeals for the Eleventh Circuit
- 12A – 12A
- 1337 – Leet (elite)
- 13D – Schedule 13D
- 13F – Form 13F
- 143 – I love you
- 16PF – Sixteen Personality Factor Questionnaire
- 187 – Murder (California Penal Code section 187)
- 1A – First Class AC
- 1B – First baseman +1 more
- 1C1R – First cousin once removed
- 1G – First generation of mobile telephony
- 1L – First-year law student
- 1LT – First Lieutenant (US Army)
- 1RM – One-rep max
- 1SG – First Sergeant (US Army)
- 1st Cir. – United States Court of Appeals for the First Circuit
- 1st Lt – First Lieutenant (US Air Force and Space Force)
- 1stLt – First Lieutenant (US Marine Corps)
- 1stSgt – First Sergeant (US Marine Corps)
- 1V1 – One versus one
- 2 Chron. – 2 Chronicles
- 2 Cor. – 2 Corinthians
- 2 Esd. – 2 Esdras
- 2 Jn – 2 John
- 2 Kgs. – 2 Kings
- 2 Macc. – 2 Maccabees
- 2-PAM – Pralidoxime
- 2 Pet. – 2 Peter
- 2 Sam. – 2 Samuel
- 2 Thess. – 2 Thessalonians
- 2 Tim. – 2 Timothy
- 20-F – Form 20-F
- 211 – Robbery (California Penal Code section 211)
- 25(OH)D – 25-hydroxyvitamin D
- 2A – AC 2-Tier
- 2B – Double +1 more
- 2d Cir. – United States Court of Appeals for the Second Circuit
- 2d Lt – Second Lieutenant (US Air Force and Space Force)
- 2DAY – Today
- 2FA – Two-factor authentication
- 2G – Second generation of mobile telephony
- 2IC – Second-in-command
- 2K – 2K resolution
- 2L – Second-year law student
- 2LT – Second Lieutenant (US Army)
- 2MORO – Tomorrow
- 2ndLt – Second Lieutenant (US Marine Corps)
- 2NITE – Tonight
- 2PT – Two-point conversion
- 2WD – Two-wheel drive
- 2WW – Two-week wait
- 3 Jn – 3 John
- 3 Macc. – 3 Maccabees
- 340B – 340B Drug Pricing Program
- 3A – AC 3-Tier
- 3B – Third baseman +1 more
- 3d Cir. – United States Court of Appeals for the Third Circuit
- 3DS – 3-D Secure
- 3G – Third generation of mobile telephony
- 3GC – Third-generation cephalosporin
- 3GP – 3GPP file format
- 3GPP – 3rd Generation Partnership Project
- 3HP – Three months of weekly isoniazid and rifapentine
- 3L – Third-year law student
- 3M – Minnesota Mining and Manufacturing Company
- 3MF – 3D Manufacturing Format
- 3NF – Third normal form
- 3P% – Three-point percentage
- 3PA – Three-point attempts
- 3PL – Third-party logistics
- 3PM – Three-pointers made
- 3PMSF – Three-peak mountain snowflake
- 3PT – Three-pointer
- 3TC – Lamivudine
- 4-H – 4-H
- 4-MP – 4-Methylpyrazole (fomepizole)
- 401(a) – Qualified retirement plan (Internal Revenue Code section…
- 401(k) – Employer-sponsored retirement savings plan (Internal…
- 403(b) – Tax-sheltered annuity plan (Internal Revenue Code section…
- 409A – Section 409A (nonqualified deferred compensation rules)
- 420 – Cannabis (code from the time 4:20)
- 457(b) – Deferred compensation plan (Internal Revenue Code section…
- 459 – Burglary (California Penal Code section 459)
- 4868 – Application for Automatic Extension of Time To File U.S.…
- 4EVER – Forever
- 4G – Fourth generation of mobile telephony
- 4K – 4K resolution
- 4PL – Fourth-party logistics
- 4Ps – Product, price, place, promotion
- 4th Cir. – United States Court of Appeals for the Fourth Circuit
- 4WD – Four-wheel drive
- 4WW – Four-wheeled walker
- 4X – Explore, expand, exploit, exterminate
- 5-ARI – 5-alpha reductase inhibitor
- 5-ASA – 5-Aminosalicylic acid (mesalamine)
- 5-FC – 5-Fluorocytosine (flucytosine)
- 5-FU – 5-Fluorouracil
- 5-HT3 RA – 5-HT3 receptor antagonist
- 5-HTP – 5-Hydroxytryptophan
- 501(c)(3) – Section 501(c)(3) organization +1 more
- 501(c)(4) – Section 501(c)(4) organization +1 more
- 504 plan – Section 504 plan
- 510(k) – Premarket notification (FDA section 510(k))
- 5150 – California Welfare and Institutions Code section 5150… +1 more
- 527 – 527 organization
- 529 – Qualified tuition program (Internal Revenue Code section…
- 5G – Fifth generation of mobile telephony
- 5K – 5 kilometers +1 more
- 5th Cir. – United States Court of Appeals for the Fifth Circuit
- 5xSTS – Five Times Sit to Stand Test
- 6-MP – 6-Mercaptopurine
- 67 – Six seven (Gen Alpha meme)
- 6DoF – Six degrees of freedom
- 6E – IndiGo
- 6G – Sixth generation of mobile telephony
- 6MOY – Sixth Man of the Year
- 6MWT – Six-minute walk test
- 6th Cir. – United States Court of Appeals for the Sixth Circuit
- 7+3 – Seven days of cytarabine plus three days of an anthracycline
- 70/30 – 70% intermediate-acting and 30% short-acting premixed…
- 720p – 720 progressive scan
- 7th Cir. – United States Court of Appeals for the Seventh Circuit
- 7z – 7-Zip archive
- 8-K – Form 8-K (current report)
- 802.11ac – IEEE 802.11ac (Very High Throughput Wi-Fi)
- 802.11ax – IEEE 802.11ax (High Efficiency Wi-Fi)
- 802.11be – IEEE 802.11be (Extremely High Throughput Wi-Fi)
- 802.11n – IEEE 802.11n (High Throughput Wi-Fi)
- 83(b) – Section 83(b) election
- 8K – 8K resolution
- 8th Cir. – United States Court of Appeals for the Eighth Circuit
- 911 – Emergency telephone number (United States and Canada)
- 940 – Employer's Annual Federal Unemployment (FUTA) Tax Return…
- 941 – Employer's Quarterly Federal Tax Return (IRS Form 941)
- 990 – Return of Organization Exempt From Income Tax (IRS Form 990)
- 999 – Emergency telephone number (United Kingdom)
- 9th Cir. – United States Court of Appeals for the Ninth Circuit