4000 Duolingo Vocabulary List

야행성 of or relating to or occurring in the night; most active at night

광석 a mineral that contains metal that is valuable enough to be mined

자연주의 biologist knowledgeable about natural history

후각 relating to, or contributing to a sense of smell

사업 기회 favorable or advantageous circumstance; a chance for progress or advancement

영양 a source of materials to nourish the body

장식 decoration; things added to something to provide decoration

악명 disreputable; known widely and usually unfavorably; infamous

오블리제 force; bind by an obligation; cause to be indebted; do a service or favor for

징조야 any indication or action regarded as a foreshowing; phenomenon supposed to portend good or evil

핵 the central or essential part around which other parts are gathered or grouped; core

시련 severe trial; a form of trial to determine guilt or innocence; a difficult or painful experience

오블리제 force; bind by an obligation; cause to be indebted; do a service or favor for

낙관론 path; circle; move in an orbit; encircle

오래된 no longer useful; outmoded; antiquated

사업 기회 favorable or advantageous circumstance; a chance for progress or advancement

독창성 novelty; creativity; capacity to act or think independently

이상한 curiously; bizarrely; unusually

홀수 not easily explained; beyond from the usual or expected; not divisible by two

후각 relating to, or contributing to a sense of smell

간과 ignore; disregard;  fail to notice; watch over

낙관론 path; circle; move in an orbit; encircle

오래 버틸 outlive; live longer than

징조야 any indication or action regarded as a foreshowing; phenomenon supposed to portend good or evil

오블리제 force; bind by an obligation; cause to be indebted; do a service or favor for

오아시스 fertile or green spot in a waste or desert

오페라 a drama set to music and consists of singing

시련 severe trial; a form of trial to determine guilt or innocence; a difficult or painful experience

장식 decoration; things added to something to provide decoration

야외 out of houses; out of doors

상대 contestant; someone who offers opposition

홀수 not easily explained; beyond from the usual or expected; not divisible by two

왕따 cast out; degraded; excluded from a society

간과 ignore; disregard;  fail to notice; watch over

광학 act of choosing; power or freedom to choose

핵무기 of, relating to, or forming a nucleus of an atom; pertaining to, or using nuclear weapons

원본 not second hand; not copied or translated from something else

자연주의 biologist knowledgeable about natural history

간과 ignore; disregard;  fail to notice; watch over

장식 decoration; things added to something to provide decoration