| Acronym | Meaning |
![](file.png) | XI | Eleven (in Roman Numerals) |
![](file.png) | XII | Twelve (in Roman Numerals) |
![](file.png) | XIII | Thirteen (in Roman Numerals) |
![](file.png) | XIV | Fourteen (in Roman Numerals) |
![](file.png) | XIX | Nineteen (in Roman Numerals) |
![](file.png) | XL | EXtra Large -Forty (in Roman Numerals) |
![](file.png) | XML | EXtensible Markup Language |
![](file.png) | XMSF | EXtensible Modelling And Simulation Framework |
![](file.png) | XO | ???†‡?…??? ????‰???? (Xristianos Orthodoksos |
![](file.png) | XOF | BCAO (Banque Centrale Des ?tats De L'Afrique De L'Ouest) West African CFA (Communaut? Financi?re D'Afrique) Franc (ISO 4217 Currency Code) |
![](file.png) | XP | EXperience Point (role-playing Games) |
![](file.png) | XPD | Palladium Troy Ounce (ISO 4217 Currency Code) |
![](file.png) | XPF | CFP Franc (ISO 4217 Currency Code) |
![](file.png) | XPT | Platinum Troy Ounce (ISO 4217 Currency Code) |
![](file.png) | XRML | EXtensible Rights Markup Language |
![](file.png) | XS | Xiaolin Showdown |
![](file.png) | XSL | EXtensible Style Language |
![](file.png) | XUL | XML User Interface Language |
![](file.png) | XV | Fifteen (in Roman Numerals) |
![](file.png) | XVI | Sixteen (in Roman Numerals) |
![](file.png) | XVII | Seventeen (in Roman Numerals) |
![](file.png) | XVIII | Eighteen (in Roman Numerals) |
![](file.png) | XX | Twenty (in Roman Numerals) |
![](file.png) | XXX | Hardcore Pornography (film Rating) - Thirty (in Roman Numerals) |
![](file.png) | Y | Yocto |
![](file.png) | Y | Yotta - Yttrium |
![](file.png) | Y2K | Year Two Thousand |
![](file.png) | YA | Yoctoampere |
![](file.png) | YA | Yottaampere -Young Adult |
![](file.png) | YA | Yottayear |
![](file.png) | YABPR | Yet Another Brother Pat Rant |
![](file.png) | YAC | Youth-Adult Committee |
![](file.png) | YAP | Young Aspiring Professional |
![](file.png) | YB | Youcef Benzouada (Southern Algerian Name) |
![](file.png) | YB | Ytterbium |
![](file.png) | YC | Yoctocoulomb |
![](file.png) | YC | Yottacoulomb |
![](file.png) | YD | People's Democratic Republic Of Yemen (ISO 3166 Digram |
![](file.png) | YE | Yemen (ISO 3166 Digram) |
![](file.png) | YEM | Yemen (ISO 3166 Trigram) - Manitowaning/Manitoulin East Municipal Airport IATA Airport Code |
![](file.png) | YER | Yemeni Rial (ISO 4217 Currency Code) |
![](file.png) | YF | Yoctofarad |
![](file.png) | YF | Yottafarad |
![](file.png) | YG | Yoctogram |
![](file.png) | YG | Yottagram |
![](file.png) | YGCO | Yamaneko Group Of Comet Observers |
![](file.png) | YGO | Yu-Gi-Oh! |
![](file.png) | YH | Yoctohenry |
![](file.png) | YH | Yottahenry |
![](file.png) | YHBT | You Have Been Trolled |