正せい八はち胞ほう体たいじ字FuriganaMeanings1nountesseractA four-dimensional hypercube; used in geometry and mathematics.正せい八はち胞ほう体たいは四よ次じ元げんの超ちょう立りっ方ぽう体たいです。A tesseract is a four-dimensional hypercube.
