propagation

繁殖、増殖

生物が増えること。特に種や植物の一部から新しい植物を育てること。

やさしい英語で： The production of more living things, especially new plants from seeds or parts of existing plants.

• Plant propagation takes patience.
• We use cuttings for the propagation of roses.
• Warm conditions encourage the propagation of these organisms.

使い方： propagation by something (Propagation by cuttings is common for this plant.)

類義語： reproduction, multiplication

よく使う表現： plant propagation, propagation by cuttings, seed propagation

伝播、普及

物事がより多くの人や場所に広がること。

やさしい英語で： The spread of something to more people or places.

• The internet speeds the propagation of ideas.
• Officials tried to prevent the propagation of false rumors.
• The report examined the propagation of information through social networks.

使い方： propagation of something (The propagation of rumors worried the manager.)

類義語： spread, dissemination

よく使う表現： propagation of ideas, propagation of information, rapid propagation

伝播

音や光、電波などの波が空間や物質の中を進むこと。

やさしい英語で： The movement of waves, such as sound, light, or radio signals, through space or a material.

• Walls affect sound propagation.
• Radio propagation changes with weather conditions.
• The experiment measured the speed of wave propagation through water.

使い方： propagation through something (The study examined sound propagation through air.)

類義語： transmission

よく使う表現： wave propagation, radio propagation, sound propagation

布教

人々に宗教や信仰を受け入れるよう働きかけること。

やさしい英語で： The activity of persuading people to join a religion or accept a belief.

• The mission supported the propagation of the faith.
• Religious propagation brought new followers to the community.
• The church funded propagation in distant regions.

類義語： proselytism, evangelization

よく使う表現： propagation of faith, religious propagation