Meaning of 安定多数 in Japanese

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Definition of 安定多数

あんていたすう(anteitasuu) 【安定多数】

ぜったいあんていたすう(zettaianteitasuu) 【絶対安定多数】

(n) overwhelming majority (number of parliamentary seats required in order for the ruling coalition to chair all standing committees and pass bills without the support of other parties)