approximation

名词 approximation:

1. an approximate calculation of quantity or degree or worth
   同义词：estimate, estimation, idea
2. the quality of coming near to identity (especially close in quantity)
3. an imprecise or incomplete account
4. the act of bringing near or bringing together especially the cut edges of tissue
   同义词：bringing close together

ap.prox.i.ma.tion

n.（名词）
The act, process, or result of approximating.
接近：接近的行为，过程或结果
Mathematics An inexact result adequate for a given purpose.
【数学】 近似值：适用于给定目标的不精确结论

【引伸】
approx.ima.tive
approx.ima.tively
adv.（副词）