Quick Definition
a sound
Strong's Definition
utterance, i.e. a musical note (vocal or instrumental)
Derivation: from G5350 (φθέγγομαι);
KJV Usage: sound
Thayer's Greek Lexicon
φθόγγος, φθογγου, ὁ (φθέγγομαι, which see), a musical sound, whether vocal or instrumental (Wis_19:17): 1Co_14:7; Rom_10:18, in this latter passive, Paul transfers what is said in Psa_18:5 () to the voices of the preachers of the gospel. (Homer, Tragg., Xenophon, Plato, others.)
Mounce Concise Greek Dictionary
φθόγγος phthongos 2x
a vocal sound, Rom_10:18 ; 1Co_14:7
Abbott-Smith Greek Lexicon
φθόγγος , -ου , ὁ
( < φθέγγομαι ),
[in LXX : Psa_19:4 ( H6957 ), Wis_19:18 * ;]
a sound: Rom_10:18 ( LXX ) 1Co_14:7 .†
Moulton & Milligan — Vocabulary of the Greek NT
φθόγγος [page 667]
utterance, sound (1Co. 14:7) : cf. the magical P Lond 121 .774 (iii/A.D.) (= I. p. 109) φθόγγος ἐναρμόνιος , and .777 φθόγγος [ἀ ]ναγκαστικός , also P Leid V viii. 6 (iii/iv A.D.) (=II. p. 29) πρὸς ἁρμονίαν τῶν ἑπτὰ φθόγγων ἐχόντων φωνὰς πρὸς τὰς κ̄η̄ φὦτα τἦς ,σελήνης
Liddell-Scott — Intermediate Greek Lexicon
φθόγγος φθόγγος, ὁ, "any clear, distinct sound", esp. "the voice" of men, Hom. , attic; also of animals, Soph. , Eur. generally, "a sound", as distinguished from "a voice" (φωνή), Plat. :—of musical sounds, Eur.
STEPBible — Tyndale Abridged Greek Lexicon
φθόγγος, -ου, ὁ
(φθέγγομαι), [in LXX: Psa.19:4 (קַו), Wis.19:18 * ;]
a sound: Rom.10:18 (LXX) 1Co.14:7.†
(AS)