A.increase in bulk, magnitude or number, enlarge, Heliod. ap. Orib.46.8.13, Iamb Protr.21.ιζ᾽:—Pass., Cleom. 1.9, Sor.1.15, 2.37, Iamb.in Nic.p.11 P.: aor. Med. in pass. sense, “οὐδ᾽ ἐμεγεθύνατο μὲν ἐμειώθη δέ” Numen. ap. Eus.PE11.10.
2. Pass., acquire magnitude, become quantified, Plot.3.6.17, 6.4.1; τὰ μεμεγεθυσμένα the world of magnitudes, Id.2.4.10, cf. Porph.Sent.33; “μετὰ τὸ μεγεθυνθῆναι τὴν ὕλην” Phlp. in de An.543.34.
II. invest with sublimity, “τὰ δαιμόνια” Longin.9.5:—Pass., to be lofty or sublime, of style, Id.13.1.
III. Gramm., of a vowel, lengthen, οἱ τὸ ο_ μεγεθύνοντες Sch.E.Ph.629:—Pass., Tryphoap.A.D.Pron.65.23, cf. A.D.Adv. 193.23.