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ballast ['bæləst] n
gen. 載荷重杭試験の、 くいしけんの (pile test, さいかじゅう) River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 砕石砂利 (さいせき・ぢゃり) River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 道床 (dōshō) River and Water Resources Glossary (Infrastructure Development Institute Japan)
light. 安定器 (anteiki)
tech. 砂利 (jari); 玉砂利 (たま・ぢゃり); パラス
n ballast | n ['bæləst] n
gen. バラスト (barasuto); 荷足; 底荷 (sokoni)
abbr. バラス
n adj-no ballast | n adj-no ['bæləst] n
gen. 砂利 news1 nf19 (jari)
 English thesaurus
ballast ['bæləst] abbr.
abbr., econ. ball.; Ball
abbr., mining. bst
Ballast ['bæləst] abbr.
abbr., insur. blst
BALLAST ['bæləst] abbr.
abbr., nautic. Heavy weight, often sea water, necessary for the stability and safety of a ship which is not carrying cargo.