How to pick up vocabulary from Udemy and Coursera courses while you study

If you take online courses in English — programming on Udemy, data science on Coursera — you are already immersed in exactly the vocabulary your career needs. Most learners let it wash past. Here is how to keep it.

Course subtitles are professional vocabulary, pre-filtered

Generic word lists teach you "umbrella" and "railway station". A machine-learning course teaches you "threshold", "bias", "converge" — the words you will actually read in documentation and hear in meetings. The instructor repeats them naturally across lectures, which is spaced repetition happening for free.

The workflow

1. Enable captions on the course platform.
2. Hover over unknown terms with the Diction Flow extension — the lecture pauses, you see the translation, one click saves the term with the sentence.
3. Keep going. Do not stop to make notes; the capture takes two seconds.
4. Review before the next lecture. Five minutes of review primes you to hear those terms again — recognition on the second encounter is what locks them in.

Extra: your meetings count too

The same principle applies at work. DictionFlow Desktop transcribes your English meetings in real time and extracts the vocabulary you struggled with, feeding the same review system.

Frequently asked questions

Does this slow down finishing the course? No — hover-capture adds seconds per lecture. Stopping to look words up in a separate dictionary is what kills momentum.

What about technical terms with no good translation? Save them anyway: the definition and example sentence matter more than the translation for professional jargon.

Which platforms are supported? Diction Flow works on Udemy, Coursera, YouTube, Netflix, Prime Video and more.