There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.
MEGAPHONE
megaphone
(noun) a cone-shaped acoustic device held to the mouth to intensify and direct the human voice
Source: WordNet® 3.1
Etymology 1
Noun
megaphone (plural megaphones)
A portable, usually hand-held, funnel-shaped device that is used to amplify a person’s natural voice toward a targeted direction.
(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
Verb
megaphone (third-person singular simple present megaphones, present participle megaphoning, simple past and past participle megaphoned)
(transitive, intransitive) To use a megaphone; to speak through a megaphone.
Etymology 2
Noun
megaphone (uncountable)
(organic compound) a cytotoxic neolignan obtained from the laurel Aniba megaphylla.
Source: Wiktionary
Meg"a*phone, n. Etym: [Mega- + Gr.
Definition: A device to magnify sound, or direct it in a given direction in a greater volume, as a very large funnel used as an ear trumpet or as a speaking trumpet.
Source: Webster’s Unabridged Dictionary 1913 Edition
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