summation

名词 n.
中文释义
英 /sʌˈmeɪʃən/   

英文释义

名词 n.
  1. Summarization; summary; summing up. countable,uncountable
    — In a summation of changed times, we have a lost station site in Bournemouth (now occupied by a coach park) as well as its former hotel (still clinging on as apartments).
  2. Summing; summing up; adding (adding up) of a series of items. countable,uncountable

词形变化

summations plural

词汇关系

衍生词
Abel's summation formula Borel summation compensated summation in summation Kahan summation algorithm missummation Mittag-Leffler summation Ramanujan summation resummation subsummation summational summation method summation plural
相关词
sum summate addition + = integration Σ

词源

Etymology tree
English sum
Proto-Indo-European *-tis
Proto-Indo-European *-Hō
Proto-Indo-European *-tiHō
Proto-Italic *-tiō
Latin -tiō
Latin -ātiōlbor.
Old French -ationbor.
Middle English -acioun
English -ation
English summation
From sum + -ation.
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