JMdict: 1164340

一層 【いっそう】

  1. [adv] even more; still more; all the more; more than ever
  2. [n] one layer
  3. [n] lowest floor (of a building)
  4. [adv] rather; sooner; preferably
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
One, One Radical (no.1) イチ, イツ ひと-, ひと.つ
Stratum, Social Class, Layer, Story, Floor ソウ

Words often seen with this one: (experimental feature)

こと (21), この (14), という (10)