Is it really free for 30 days?

Yes! Every new account gets 30 days of full premium access — no credit card required. You get unlimited flashcards, all TOPIK levels, and full analytics from day one.

What happens after 30 days?

After your free period ends, you can subscribe for $8 USD/month to keep full access. You can also invite friends to earn bonus days — each referral adds extra free time to your account.

How is TOPIK Lord different from Anki?

TOPIK Lord is purpose-built for Korean learners. There's no setup, no hunting for decks, and no configuration. All 5,000+ official TOPIK words are built in with romanization, definitions, and spaced repetition — ready to go in seconds.

Can I use it on my phone?

Absolutely! TOPIK Lord is fully responsive and works great on any device — phone, tablet, or computer. Just open your browser and start studying. No app download required.

What if I already know some Korean?

Take our free placement test to find your level, or just pick the TOPIK level that matches your ability. You can start at TOPIK Level 1 or jump straight to TOPIK Level 5-6 — it's up to you.

Can I cancel anytime?

Yes, absolutely. There are no contracts or commitments. You can cancel your subscription at any time and you'll keep access until the end of your billing period.

적분가능성

jeokbunganeungsseong

integrability

TOPIK Level 6noun

Word Details

Hangul	적분가능성
Romanization	jeokbunganeungsseong
Meaning	integrability
Part of Speech	noun
TOPIK Level	TOPIK Level 6

Example Sentence

리만 적분가능성의 조건은 불연속점의 집합이 영 측도를 가지는 것이에요.

riman jeokbunganeungsseong-ui jogeon-eun buryeonsokjeomui jiphabi yeong chukdoreul gajineun geosieeyo.

The condition for Riemann integrability is that the set of discontinuities has measure zero.

Study This Word

Add 적분가능성 to your study queue and master it with spaced repetition flashcards.

Study with Flashcards See All TOPIK Level 6 Words

Other TOPIK Level 6 Words

하이젠베르크불확정성 haijenbereukeu bulhwakjeongseong 대위선율법 daewi seonnyulbeop 음악 형태론 eumak hyeongtaeron 화산쇄설물 hwasan swaeseolmul 삼각주 samgakju 동굴학 donggulhak

Related Resources

TOPIK Level 6 Study Guide →Level 6 Grammar →Spaced Repetition Guide →Flashcards for TOPIK →Learning Tools →

Frequently Asked Questions

What does 적분가능성 mean in Korean?

적분가능성 (jeokbunganeungsseong) means "integrability" in Korean. It is a TOPIK Level 6 vocabulary word.

How do you pronounce 적분가능성?

적분가능성 is pronounced "jeokbunganeungsseong" in Revised Romanization.

What TOPIK level is 적분가능성?

적분가능성 is a TOPIK Level 6 word. TOPIK Level 6 is the highest level with ~10,000+ words.