noun

Geology, etc. term.
  1. diluvium, diluvial formation.

Variations

Pronunciation Kanji Kana Is Common
洪積層 こうせきそう

Contained Kanji Breakdown

deluge, flood, vast
コウ ほん (Early High School, N1)
water, water radical (no. 85)
さんずい
together, both, neither
とも キョウ (4th, N3)
twenty(廿) variant
eight, eight radical (no. 12)
ハチ や はっ (1st, N5)
volume, product (x*y), acreage
つ.む セキ つみ (4th, N3)
two-branch tree radical (no. 115)
カ いね (Kentei Pre-1)
katakana no radical (no. 4)
ヘツ えい よう (Kentei 1)
tree, wood
き モク こ- (1st, N5)
blame, condemn, censure
セキ せ.める (5th, N3)
life, (生 variant)
shellfish
かい バイ (1st, N2)
eye, class, look
め モク ボク (1st, N4)
eight, eight radical (no. 12)
ハチ や はっ (1st, N5)
stratum, social class, layer
ソウ (6th, N2)
corpse, remains, flag radical (no. 44)
シ かたしろ (Kentei 1)
formerly, once, before
ソ ソウ かつ (Late High School)
to divide
rice field, rice paddy
た デン たん (1st, N4)
day, sun, Japan
ひ にっ ニチ (1st, N5)