circular

円形の、円を描く

円の形をしている、または円を描いて動くこと。

やさしい英語で： Shaped like a circle, or moving along a path shaped like a circle.

• We sat at a circular table.
• Stir the mixture with a circular motion.
• The walk follows a circular route through the woods.

類義語： round

よく使う表現： circular table, circular motion, circular route

循環的な

同じ考えを根拠にしたり、答えが出ず出発点に戻ったりすること。

やさしい英語で： Using an idea to prove itself, or repeatedly referring back to the starting point without reaching an answer.

• That is a circular argument.
• His circular reasoning never explains why the rule is fair.
• The formula failed because it contained a circular reference.

類義語： self-referential

よく使う表現： circular reasoning, circular argument, circular reference

回覧、通達、広告チラシ

多くの人に送る、印刷されたお知らせや広告、指示。

やさしい英語で： A printed notice, advertisement, or instruction sent to many people.

• The school sent a circular to parents.
• An advertising circular arrived with the mail.
• Staff received two circulars about the new rules.

類義語： notice, flyer, leaflet

よく使う表現： send a circular, official circular, advertising circular