series

一連、連続

関連する物事や出来事が、次々に起こったり現れたりするまとまり。

やさしい英語で： Several connected things or events that happen or appear one after another.

• We held a series of meetings.
• A series of mistakes caused the delay.
• The museum plans two lecture series next year.

使い方： a series of plural noun (A series of storms damaged the coast.)

類義語： sequence, succession

よく使う表現： series of events, series of tests, lecture series

連続番組、連続ドラマ、シリーズ

関連する複数の回からなるテレビやラジオの番組。同じ登場人物が多い。

やさしい英語で： A television or radio show with several connected episodes, often using the same characters.

• I love this comedy series.
• We watched three episodes of the new series.
• Which television series are you following?

類義語： show

よく使う表現： tv series, radio series, comedy series, watch a series

連戦、シリーズ戦

同じ二組や二人が何度か対戦し、多く勝った側が勝者になる一連の試合。

やさしい英語で： Several matches between the same two teams or players, with the winner taking the most matches.

• Our team won the series.
• The series was tied after four games.
• They play a three-game series against their rivals this weekend.

使い方： a series against someone (Our team won the series against Australia.)

よく使う表現： test series, win a series, three-game series, series against someone

大会、シリーズ戦

勝者を決めるために、いくつもの試合や競技を行う大会。

やさしい英語で： A sports competition with several games or events to decide the winner.

• Eight teams entered the series.
• The series ends with a championship game.
• Who won this year's racing series?

類義語： competition

よく使う表現： championship series, win a series, final series

直列

電流が一つの経路で、それぞれの部品を順に通るつなぎ方。

やさしい英語で： An arrangement where electricity passes through each part in turn along one path.

• The bulbs are connected in series.
• Current follows one path through a series circuit.
• We wired three resistors in series.

使い方： connect something in series (Connect the two batteries in series.)

よく使う表現： in series, series circuit, series connection

級数

数列の数を順に足したもの。無限に続く場合もある。

やさしい英語で： A mathematical sum formed by adding the numbers in a sequence, sometimes continuing without end.

• This series has five terms.
• The infinite series converges to a finite value.
• We compared the partial sums of two series.

よく使う表現： infinite series, harmonic series, geometric series, convergent series