This is the 5885th most frequent Russian word.
регистрацию
"Регистрацию" means "registration" in English.
The word 'регистрацию' is used as a direct object, indicating the process of registering on the website.
Я прошёл регистрацию на сайте вчера.
I completed registration on the website yesterday.
Here, 'регистрация' is used in a prepositional form to describe the purpose or requirement of the action.
Для регистрации вам нужно заполнить анкету.
For registration, you need to fill out the form.
The word 'регистрация' refers to the ongoing process of registering participants for an event.