消波ブロック

消波ブロック

Japanese

Kanji in this term
消	波
しょう Grade: 3	は Grade: 3
on’yomi

消波ブロック (shōha burokku): tetrapods in a breakwater.

Etymology

Compound of 消波(しょうは) (shōha, “wave-cancelling”) + ブロック (burokku, “block”).[1][2]

Pronunciation

• (Tokyo) しょーはブロ​ック [shòóhá búróꜜkkù] (Nakadaka – [5])[2]
• IPA^(key): [ɕo̞ːha̠ bɯ̟ᵝɾo̞k̚kɯ̟ᵝ]

Noun

消(しょう)波(は)ブロック • (shōha burokku) 

1. a tetrapod (a concrete structure used in breakwaters to absorb and reduce the energy of waves, such as along a shoreline)

   Synonym: (brand name) テトラポッド (tetorapoddo)

Usage notes

While this kind of breakwater component structure is most commonly a tetrapod with four feet, the term 消波ブロック (shōha burokku) can refer to any blocky piece used in a breakwater, such as designs with six feet or even eight.[1]

References

1. 1995, 大辞泉 (Daijisen) (in Japanese), Tōkyō: Shogakukan, →ISBN
2. 2006, 大辞林 (Daijirin), Third Edition (in Japanese), Tōkyō: Sanseidō, →ISBN