In its most basic form, betel nut is a seed of the Areca catechu, a type of palm tree. It is commonly chewed after being ground up or sliced, then wrapped in leaves of the Piper betle vine coated with lime.This is known as a betel quid. Tobacco or flavorful spices may also be added.etel nut may interact with other drugs or herbal supplements, causing toxic reactions in the body or reducing the effects of medications. More testing is needed to determine just how betel nut affects other drugs.
A tone is the kind of sound you hear in a musical note, or in a person's voice live or in writing. A newspaper article should be objective, but a poem can bring up all kinds of emotions, depending on the tone.
Yes, it seems to mean the same as set the tone. I found something that was the reverse question to yours. Set the tone - Tone, here, is one of several transferred or figurative meanings derived from the original meaning of a musical tone. It means, here (from the OED), style, attitude, spirit, character, tenor . When we set the tone it is always the tone of something specific. If we, for instance, set the tone of the conversation, then we establish the character, the tenor, of the conversation, its spirit..