No, it is a borrowing, not a transliteration.

Transliteration is the translation of words from one alphabet to another. An example of a sentence using the word "transliteration" is "The professor is fluent in English, German, Russian, and Greek, and is currently teaching a class on transliteration. "

There are various transliteration of the Surah Yaseen available. A site dedicated to such matters is named iqrasense which gives a transliteration in English.

You can see a perfect transliteration right there in the question you just asked.

Transliteration according to WordNet is the "transcription from one alphabet to another," as in transliterating the Ancient Greek X to ch in Modern English.