数列(すうれつ)

すうれつ
noun
number sequence; numerical series
number
1. number sequence; numerical series; progression
An ordered list of numbers that follows a specific rule or pattern. A fundamental concept in mathematics, encountered in high school and university-level courses.
この数列(すうれつ)の規則(きそく)を見(み)つけなさい。
Find the rule for this number sequence.
1, 1, 2, 3, 5, 8 はフィボナッチ数列(すうれつ)だ。
1, 1, 2, 3, 5, 8 is the Fibonacci sequence.
高校(こうこう)の数学(すうがく)で等差(とうさ)数列(すうれつ)と等比(とうひ)数列(すうれつ)を習(なら)った。
I learned about arithmetic sequences and geometric sequences in high school math.

Composed of 数(すう) (number) and 列(れつ) (row, sequence). A standard mathematics term taught in Japanese high schools. The concept appears in entrance exams, puzzle books, and IQ tests, so the word is widely recognized even by non-mathematicians.

Types

  • 等差(とうさ)数列(すうれつ): arithmetic sequence (constant difference between terms)
  • 等比(とうひ)数列(すうれつ): geometric sequence (constant ratio between terms)
  • フィボナッチ数列(すうれつ): Fibonacci sequence
  • 無限(むげん)数列(すうれつ): infinite sequence
  • 有限(ゆうげん)数列(すうれつ): finite sequence

Common collocations

  • 数列(すうれつ)の和(わ): sum of a sequence
  • 数列(すうれつ)の一般項(いっぱんこう): general term of a sequence
  • 数列(すうれつ)の収束(しゅうそく): convergence of a sequence

Similar words

  • 級数(きゅうすう): series — the sum of a sequence's terms
  • 配列(はいれつ): array, arrangement — a more general ordering; also used in programming
  • 順列(じゅんれつ): permutation — a different mathematical concept about ordering

Related Words

Compare: 配列(はいれつ) (array, arrangement)
general
Added 2026.4.29 0:35 · Revised 2026.9.2 13:02
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