different between megaphone vs loudhailer

English

Pronunciation

• (UK) IPA^(key): /?m??.??f??n/
• (General American) IPA^(key): /?m????fo?n/

Etymology 1

From mega- +? -phone.

Noun

megaphone (plural megaphones)

1. A portable, usually hand-held, funnel-shaped device that is used to amplify a person’s natural voice toward a targeted direction.
2. (figuratively) Mouthpiece or promoter; one who speaks for or publicizes on behalf of another.

Synonyms

• speaking trumpet

Hypernyms

• loudhailer, blowhorn

Hyponyms

• bullhorn, the modern electronic amplification version

Derived terms

• megaphonic
• megaphonist

Translations

Verb

megaphone (third-person singular simple present megaphones, present participle megaphoning, simple past and past participle megaphoned)

1. (transitive, intransitive) To use a megaphone; to speak through a megaphone.

Etymology 2

Named for the root Aniba megaphylla +? -one.

Noun

megaphone (uncountable)

1. (organic chemistry) A cytotoxic neolignan obtained from the laurel Aniba megaphylla.

English

Etymology

loud +? hailer

Pronunciation

• Rhymes: -e?l?(?)

Noun

loudhailer (plural loudhailers)

1. (Britain) A megaphone or bullhorn.

Synonyms

• blowhorn