ὕᾰλος
or ὕελος (see. below), ἡ, see [[ 2nd c.AD: Aelius Dionysius Grammaticus “fragment” 217; but in 4th-3rd c.BC: Theophrastus Philosophus “de Lapidibus” 49 ] Refs 4th c.BC+], ὁ:—the form ὕαλος is said to be Attic dialect, ὕελος Hellenic, [[ 2nd c.AD: Phrynichus Atticista 281, [prev. author] “PS” p.118 5th c.BC: Bacchylides Lyricus, Moer.p.373 P., Thom.Mag.p.365 R.; in 5th c.BC: Herodotus Historicus codices vary between ὕελος] Refs 5th c.BC+] and ὕαλο; ὕελος is read in [[ 4th c.BC: Aristoteles Philosophus “Analytica Posteriora” 88a14, 4th-3rd c.BC: Theophrastus Philosophus [same place], “Ign.” 73, “PHolm.” 10.7, but ὕαλος in LXX.Job.28.17, 1st c.AD: Anonymus Londinensis 39.18, NT.Rev.21.18 ] NT+4th c.BC+]; compare ὑάλινος:—originally some kind of crystalline stone, such as that used by the Ethiopians to enclose their mummies in, [[ 5th c.BC: Herodotus Historicus 3.24; ὕ. ἀργή “Periplus Maris Rubri [1st c.AD]” 49; ὕ. ὀρωρυγμένη ] Refs 5th c.BC+]rock-crystal, [[ 3rd c.AD(?): Achilles Tatius Astronomus 2.3. ] Refs 3rd c.AD+]
__2 a convex lens of crystal, used as a burning-glass, λίθος διαφανὴς ἀφ᾽ ἧς τὸ πῦρ ἅπτουσι [[ 5th-6th c.BC: Aristophanes Comicus “Nubes” 768, compare 4th-3rd c.BC: Theophrastus Philosophus “de Igne” 73. ] Refs 5th c.BC+]
__II glass, first in [[ 5th-6th c.BC: Plato Philosophus “Timaeus” 61b, compare 4th c.BC: Aristoteles Philosophus “Meteorologica” 389a8, and ὑαλῖτι; ] Refs 5th c.BC+]glass-ware, [[ PFay. 134.4 (4th c.AD). ] Refs 4th c.AD+]
__III ὕαλος χνοώδης, in [[ 7th c.AD: Paulus Aegineta Medicus 6.22 ] Refs 7th c.AD+], is an absorbent of some kind:—ὕαλος is also explained by βόρβορος in [[ 5th c.AD(?): Hesychius Legal icographus and 9th c.AD: Theognostus Grammaticus “Can.” 18] Refs 5th c.AD+]. [ῠᾰλος, as appears from [[ 5th-6th c.BC: Aristophanes Comicus “Nubes” 768 ] Refs 5th c.BC+]:—but late Poets make ῡ in some derivations to bring them into dactylic verses, ῡάλεος [[“Anthologia Graeca” 6.33, 12.249] Refs]; ῡέλινος [[[prev. work] 14.52] Refs]; ῡαλόεις [[[prev. work]5.47] Refs]; ῡαλοειδής [[ 5th-6th c.AD: Orphica “Lithica” 280 ] Refs 5th c.AD+]; in iambic metre, ῡαλόχροα [[“Anthologia Graeca” 6.211.] ] Refs]