1.
fixed quantity; set amount
A predetermined or fixed amount or quantity of something.
毎日定量の水を飲む。
I drink a fixed amount of water every day.
薬は定量を守って服用してください。
Please take the medicine in the prescribed amount.
定量を超えると品質に影響が出る。
Exceeding the fixed quantity affects quality.
2.
quantitative (measurement, analysis)
Relating to or involving the measurement of quantity, as opposed to quality. Used in scientific and technical contexts.
定量分析で成分の割合を調べた。
We investigated the proportion of components through quantitative analysis.
定量的なデータに基づいて判断する。
We make decisions based on quantitative data.
この研究では定量的な手法と定性的な手法の両方を用いた。
This research used both quantitative and qualitative methods.
Composed of 定 (fixed, determined) + 量 (quantity, amount). Has two main uses: (1) a set or prescribed amount, and (2) the concept of "quantitative" in scientific and analytical contexts.
COMMON COLLOCATIONS:
- 定量を守る: follow the prescribed amount
- 定量分析: quantitative analysis
- 定量的: quantitative (adjectival form)
- 定量調査: quantitative survey
SIMILAR WORDS:
- 定性: qualitative (the counterpart to 定量)
- 適量: appropriate amount
- 分量: quantity, dose (of ingredients or medicine)
- 数量: quantity, number (general counting)