popular obsolete reading irregular kanji usage JLPT N3 noun noun (generic) noun or participle taking the aux. verb ใใ biology geology
- organization, organisation, formation
- structure, construction, setup, constitution
- system (e.g. railroad, transport, party, etc.)
- tissue
- texture (of a rock)
- weave (of a fabric)
popular JLPT N2 noun noun (generic) geology
- base, basis, foundation, footing, infrastructure
- bedrock
popular search-only kanji form geology noun noun (generic)
- pyroclastic flow
popular JLPT N1 medicine noun noun (generic) geology
- tuberculosis, TB
- concretion
popular rarely used kanji form noun noun (generic) noun or participle taking the aux. verb ใใ intransitive verb biology geology
- coexistence, living together
- symbiosis
- paragenesis
popular geology noun noun (generic)
- fault, dislocation
- gap, discrepancy
popular noun noun (generic) geology abbreviation
- mass, lump, clod, clump
- nodule
- baby boom generation (of 1947-1949), babyboomer (born between 1947-1949)
popular JLPT N1 noun noun (generic) noun (suffix) mathematics geology
- system, lineage, group
- corollary
- system (range of strata that correspond to a particular time period)
- (taxonomical) series
popular geology noun noun (generic)
- diastrophism (movement and deformation of the earth's crust)
- upheaval (e.g. in politics), seismic shift, earthshaking changes
popular JLPT N1 noun noun (generic) noun (suffix) geology
- period, time
- opportunity, chance, occasion
- age
- term (e.g. in office)
- session (e.g. of parliament)
- stage (e.g. of a disease)
- season (e.g. of a TV series)