(あつ)

あつさ
noun
thickness
1. thickness
The distance between two opposite surfaces of something.
この(ほん)(あつ)さは3センチだ。
The thickness of this book is 3 centimeters.
(かべ)(あつ)さを(はか)る。
To measure the thickness of the wall.
(あつ)さ5ミリの(いた)
A board 5 millimeters thick

(あつ)さ is derived from the adjective (あつ)い (thick) + さ (nominalizing suffix).

NOTE: Do not confuse with (あつ)さ (heat), which has the same reading but different kanji and meaning.

MEASUREMENT NOUNS:

  • (なが)さ: length
  • (たか)さ: height
  • (ふか)さ: depth
  • (あつ)さ: thickness
  • (ひろ)さ: width/area