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.
damper, muffler
(noun) a device that decreases the amplitude of electronic, mechanical, acoustical, or aerodynamic oscillations
muffler
(noun) a scarf worn around the neck
silencer, muffler
(noun) a tubular acoustic device inserted in the exhaust system that is designed to reduce noise
Source: WordNet® 3.1
muffler (plural mufflers)
(US, automotive) Part of the exhaust pipe of a car that dampens the noise the engine produces.
A silencer or suppressor fitted to a gun.
A type of scarf.
• (part of exhaust pipe): silencer
Source: Wiktionary
Muf"fler, n.
1. Anything used in muffling; esp., a scarf for protecting the head and neck in cold weather; a tippet. Fortune is painted blind, with a muffler above her eyes. Shak.
2. (Mus.)
Definition: A cushion for terminating or softening a note made by a stringed instrument with a keyboard.
3. A kind of mitten or boxing glove, esp. when stuffed.
4. One who muffles.
Source: Webster’s Unabridged Dictionary 1913 Edition
18 June 2025
(noun) large South American evergreen tree trifoliate leaves and drupes with nutlike seeds used as food and a source of cooking oil
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.