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割栗石 (わりぐりいし) Japanese meaning | Kotomora

割わり栗ぐり石いし

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Meanings

1

noun

crushed stone; hardcore; macadam

Technical term in civil engineering and construction for broken stone used as a base material for roads, foundations, or drainage.

道どう路ろの下したに割わり栗ぐり石いしを敷しいて、水みずはけを良よくする。
Crushed stone is laid under the road to improve drainage.

基き礎そ工こう事じでは、まず割わり栗ぐり石いしを転てん圧あつする。

In foundation work, crushed stone is compacted first.

Written forms

割わり栗ぐり石いし
Standard kanji spelling for this construction term.
割わり栗ぐり石いし
Variant with okurigana り; less common but still seen.

Kanji

割proportion, comparatively, divide
栗chestnut
石stone

Similar words

砕さい石せき
砕石 is a broader term for crushed stone in general, while 割栗石 specifically refers to hand-broken or roughly crushed stone used as a base course.
砂利じゃり
砂利 is gravel, typically smaller and more rounded; 割栗石 is larger, angular, and used for structural fill.

Etymology

Compound of 割り (wari, 'breaking') + 栗 (kuri, 'chestnut') + 石 (ishi, 'stone'), referring to stones broken into chestnut-sized pieces.