Quick Definition
half an hour
Strong's Definition
a half-hour
Derivation: from the base of G2255 (ἥμισυ) and G5610 (ὥρα);
KJV Usage: half an hour
Thayer's Greek Lexicon
ἡμιώριον and (L T Tr WH) ἡμιωρον (cf. Kühner, § 185, 6, 2; (Jelf, § 165, 6, 1 a.)), ἡμιωριου, τό (from ἠμί and ὥρα, cf. τό ἡμικοτυλιον, ἡμιμοιριον, ἡμικοσμιον, ἡμιχοινικιον, ἡμιωβόλιον, etc.), half an hour: Rev_8:1. (Strabo 2, p. 133; Geoponica; others (cf. Sophocles' Lexicon, under the word).)
Mounce Concise Greek Dictionary
ἡμιώριον hēmiōrion 1x
also spelled ἡμίωρον , half an hour, Rev_8:1
Abbott-Smith Greek Lexicon
*† ἡμίωρον
( Rec. -ιον ), -ου , τό (ἥμι , half + ὥρα ),
half an hour: Rev_8:1 .†
Moulton & Milligan — Vocabulary of the Greek NT
ἡμίωρον [page 280]
ἡμίωρον .
For the form ἡμιώριον which is read in Rev_8:1 by AC al. add to the similar formations cited by Grimm-Thayer P Giss I. 47 .13 (time of Hadrian) (= Chrest. I. p. 383 ) τὸ ἡ̣μιλεἰ [τρ ]ιον τῆς πορφύρας .
STEPBible — Tyndale Abridged Greek Lexicon
ἡμίωρον (Rec. -ιον), -ου, τό
(ἥμι, half + ὥρα),
half an hour: Rev.8:1.†
(AS)