コロンブスは世界が平らでないことを証明した。

Sentence Analyzer

English Translation

Columbus proved that the world is not flat.

Furigana

コロンブスは世界(せかい)が平(たい)らでないことを証明(しょうめい)した。

Romanji

Koronbusu wa sekai ga taira denai koto o shōmeishita.

Words

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

世界 (せかい)

the world; society; the universe; sphere; circle; world; renowned; world-famous; well-known outside of Japan; realm governed by one Buddha; space

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

平ら (たいら)

flatness; level; smooth; calm; plain; sitting tailor fashion

だ (だ)

be; is; indicates past or completed action; indicates light imperative

事 (こと、こん)

thing; matter; incident; occurrence; event; something serious; trouble; crisis; circumstances; situation; state of affairs; work; business; affair; after an inflectable word, creates a noun phrase indicating something the speaker does not feel close to; nominalizing suffix; pretending to ...; playing make-believe ...; alias; aka; nickname; alternative name; also known as

を (を)

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

証明 (しょうめい)

proof; verification; certification