τετραπλάσιον (tetraplasion)

τετραπλάσιον is an Ancient Greek form of τετραπλάσιος, meaning “fourfold, four times as much”. It is the accusative singular masculine noun or adjective.

It can also be a form of τετραπλασίων, “fourfold, four times as large”.

Found 27 times in the Ancient Greek texts on Socratos.

Where it is used

Plato, Meno 83: … εται; οὐ τετράκις τοσοῦτον; πῶς δʼ οὔ; διπλάσιον οὖν ἐστιν τὸ τετράκις τοσοῦτον; οὐ μὰ Δία. ἀλλὰ ποσαπλάσιον; τετραπλάσιον. ἀπὸ τῆς διπλασίας ἄρα, ὦ παῖ, οὐ διπλάσιον ἀλλὰ τετραπλάσιον γίγνεται χωρίον. ἀληθῆ λέγεις. τεττάρων γὰρ τετ …

Euclid, Elementa 2.prop.8: … λάσιά ἐστι τοῦ ΑΚ. καὶ ἐπεὶ τὸ ΑΚ τὸ ὑπὸ τῶν ΑΒ, ΒΔ ἐστιν· ἴση γὰρ ἡ ΒΚ τῇ ΒΔ· τὸ ἄρα τετράκις ὑπὸ τῶν ΑΒ, ΒΔ τετραπλάσιόν ἐστι τοῦ ΑΚ. ἐδείχθη δὲ τοῦ ΑΚ τετραπλάσιος καὶ ὁ ΣΤΥ γνώμων·

All forms of τετραπλάσιος (declension table)

Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Liddell-Scott-Jones, A Greek-English Lexicon (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.