Abbreviation/Acronym Period List
|
Last update March 19, 2025
| 略語 |
正式語 |
ピリオド有無 |
| A.D. or AD （西暦） |
Anno Domini （ラテン語） |
YES/NO |
| AIDS |
Acquired Immune Deficiency Syndrome |
NO |
| a.m. |
ante meridiem （ラテン語） |
YES |
| B.C. or BC （紀元前） |
before Christ |
YES/NO |
| B.C.E. （紀元前） |
before the Common Era |
YES |
| CIA |
Central Intelligence Angency |
NO |
| Dr. |
Doctor |
 YES
 NO
|
| DNA |
deoxyribonucleic acid |
NO |
| e.g. （たとえば） |
exempli gratia （ラテン語） |
YES |
| et al. （およびそのほか） |
Philosophiae Doctor （ラテン語） |
YES |
| etc. |
et cetra （ラテン語） |
YES |
| FBI |
Federal Bureau of Investigation |
NO |
| HMS |
Her/His Majesty's Ship |
NO |
| i.e. （すなわち） |
id est （ラテン語） |
YES |
| Jr. |
junior |
YES |
| LASER |
Light Amplification by Stimulated Emission of Radiation |
NO |
| mph |
miles per hour |
NO |
| Mr.; Mrs.; Ms. |
---- |
YES
NO
|
| MVP （最優秀選手） |
Most Valuable Player |
NO |
| NATO |
The North Atlantic Treaty Organization |
NO |
| N.Y. |
New York |
YES |
| p.m. |
post meridiem （ラテン語） |
YES |
| Prof. |
Professor （ラテン語） |
YES |
| Ph.D. （博士号） |
Philosophiae Doctor （ラテン語） |
YES |
| RADAR |
Radio Detecting and Ranging |
NO |
| R.N. |
Royal Navy; Registered Nurse |
YES |
| SCUBA |
Self-Contained Underwater Breathing Apparatus |
NO |
| St. |
Saint, Street, State, Strait |
YES |
| UFO |
Unidentified Flying Object |
NO |
| UNICEF |
United Nations (International) Children's (Emergency) Fund |
NO |
| U.S.A. |
The United States of America |
YES |
| USS |
United States Ship |
NO |
| vs. |
versus |
YES |
|
