διάστημα, ατος, τό,
(διαστῆναι) interval, frequently in Music, [[ 4th c.BC: Archytas Tarentinus Philosophus 2, 5th-6th c.BC: Plato Philosophus “Respublica” 531a, 4th c.BC: Aristoxenus Musicus “Harmonica” p.4 M., +others, 4th c.BC: Aristoteles Philosophus “Problemata” 922b6, 4th-3rd c.BC: Damoxenus Comicus 2.57 ] Refs 5th c.BC+]; of Time, δ. τετραετές [[ 2nd c.BC: Polybius Historicus 9.1.1: generally, ἐκ μεγάλων δ. κινεῖσθαι 3rd c.AD: Democritus Epigrammaticus 191; δ. μεταξὺ κόσμων 4th-3rd c.BC: Epicurus Philosophus “Epistulae” 2p.37U. ] Refs 4th c.BC+]; distance, [[ 1st c.BC: Philodemus Gadarensis Epigrammaticus “D.” 3.8,9. ] Refs 1st c.BC+]
__b Geometry texts, radius, κέντρῳ τῷ Α, διαστήματι τῷ ΑΒ, γεγράφθω κύκλος [[ 3rd c.BC: Euclides Geometra 1.1, compare 3rd-2nd c.BC: Philo Mechanicus “(Belopoeica) Excerpte aus Philons Mechanik - Ath. Berl. Akad.” 52.14 ] Refs 3rd c.BC+]; of a sphere, [[ 4th c.BC: Autolycus Astronomus 6. ] Refs 4th c.BC+]
__c aperture, ἀγγεῖον ἔχον δ. μέγα [[ 4th c.BC: Aristoteles Philosophus “de Generatione Animalium” 787b4; ἐκ πολλοῦ δ. [prev. author] “Aud.” 800a36 ] Refs 4th c.BC+]; τὰ δ. τῆς χειρὸς τῶν δακτύλων the spaces between the fingers, [[ 4th c.BC: Aeneas Tacticus 31.35. ] Refs 4th c.BC+]
__2 in Medicine texts, diastasis, of bones, [[ 5th c.BC: Hippocrates Medicus “κατ᾽ ἰητρεῖον” 23 (_plural_), compare 2nd c.AD: Galenus Medicus 18(2).887. ] Refs 5th c.BC+]
__3 difference, τῶν ἡδονῶν μεγάλα τὰ δ. [[ 3rd c.BC: Nicomachus Comicus 1.22. ] Refs 3rd c.BC+]