Denshi Jisho — Online Japanese dictionary

そう 1: layer; seam; bed; stream; class;
2:
3: (Mathematical term) sheaf; (Counter) storey (of a building); story; floor
Noun, Noun suffix 
ちそう stratum; geological formation; layer; bed (coal, gravel, etc.)
Common word, Noun 
かそう lower strata (classes)
Noun, No-adjective 
きそう base layer; substratum; binder course
Noun 
こそう layers of history
Noun 
たそう multilayer
Noun, No-adjective 
ひそう cortex
Noun, No-adjective 
もこし pent roof (below the true roof of a pagoda, etc.)
Noun 
ゆそう an oil stratum
Noun 
いっそう 1:
2: (Usually written using kana alone) much more; still more; all the more; more than ever; () single layer (or storey, etc.);
3: (Adverb) (Archaism) rather; sooner; preferably
Common word, Adverb, No-adjective 
かいそう class; level; stratum; layer; hierarchy
Common word, Noun 
こうそう multistory; multistoried; high-rise; high; tall
Common word, No-adjective 
しんそう depths; deep level
Common word, Noun, No-adjective 
たいそう very much; exaggerated; very fine
Common word, Na-adjective, Adverb, Noun 
だんそう 1: fault; dislocation;
2: gap; discrepancy
Common word, Noun 
イーそう E layer (of the ionosphere)
Noun 
エフそう F layer (of the ionosphere)
Noun 
かくそう each stratum; each class
Noun 
がいそう outer layers
Noun 
がんそう rock formation
Noun 
こうそう ore bed
Noun 
さいそう (solar) chromosphere
Noun 
せいそう stratification
Noun 
せきそう laminating; lamination layer
Noun 
ぜんそう presheaf; anterior layer
Noun, Mathematical term 
たんそう monolayer; single layer; single story (storey)
Noun, No-adjective, Obscure term 
たんそう coal seam; coal bed
Noun 
ていそう 1: low-rise (architecture);
2: low-level; low-class
Noun, No-adjective 
ないそう inner layers
Noun 
はくそう thin layer; lamella; lamina; folium
Noun 
ふくそう sublayer
Noun, Computer terminology 

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