noun which may take the genitive case particle 'no'
Used as a no-adjective to describe something occurring or done many times. Often appears in technical or formal contexts.
多数回の実験で同じ結果が得られた。
The same result was obtained in many experiments.
多数回の投票が行われた。
Multiple rounds of voting were held.
noun
multiple dose
Medical or pharmaceutical term for a regimen involving multiple doses of a drug.
この薬は多数回投与が必要です。
This medicine requires multiple doses.
Compound of 多数 (たすう, 'many') and 回 (かい, 'times'). The reading is a straightforward combination of the readings of its components.