| Word | Romanization | Meaning | TOPIK |
|---|---|---|---|
| 초 | cho | second (time unit) | TOPIK 1 |
| 초대하다 | chodaehada | to invite | TOPIK 1 |
| 초등학교 | chodeunghakgyo | elementary school | TOPIK 1 |
| 초록색 | choroksaek | green color | TOPIK 1 |
| 초인종 | choinjong | doorbell | TOPIK 2 |
| 식초 | sikcho | vinegar | TOPIK 2 |
| 초과근무 | chogwageunmu | overtime work | TOPIK 2 |
| 초과수당 | chogwasudang | overtime pay | TOPIK 2 |
| 초대장 | chodaejang | invitation card | TOPIK 2 |
| 초대 | chodae | invitation | TOPIK 3 |
| 초음파 | choumpa | ultrasound | TOPIK 3 |
| 초원 | chowon | grassland; prairie | TOPIK 3 |
| 산호초 | sanhocheo | coral reef | TOPIK 3 |
| 초조하다 | chojohada | to be nervous, anxious | TOPIK 3 |
| 초지 | choji | grassland; meadow; pasture | TOPIK 3 |
| 초범 | chobeom | first-time offender | TOPIK 4 |
| 초전도체 | chojeonDoche | superconductor; material with zero electrical resistance at low temperatures | TOPIK 4 |
| 초미세먼지 | chomisemeonji | ultra-fine dust; PM2.5 particulate matter | TOPIK 4 |
| 기초생활수급 | gichosaenghwal-sugeup | basic livelihood benefit; welfare support | TOPIK 4 |
| 초록 | chorong | abstract (academic) | TOPIK 4 |
Learn all words containing 초 with spaced repetition
초 (cho) means "second (time unit)" in Korean. It appears in TOPIK level 1, 2, 3, 4, 5, 6.
Stroke count information for 초 is being updated.
Radical information for 초 is being updated.