prefix

noun
1
a letter or group of letters added to the beginning of a word to change its meaning, such as un- in unhappy and pre- in preheat
پیشوند
compare affix, suffix
2
a word, letter or number that is put before another
پیشوند
Car insurance policies have the prefix MC (for motor car).
3
a title such as Dr or Mrs used before a person’s name
عنوان, پیش‌عنوان
verb
1
to add letters or numbers to the beginning of a word or number
پیشوندگذاری, قرار دادن پیشوند, افزودن پیشوند