Decaffeinated coffee comes from a chemical process that takes out caffeine from the beans. Pharmaceutical and soda companies buy the extracted caffeine.
eardrum, tympanum, tympanic membrane, myringa
(noun) the membrane in the ear that vibrates to sound
Source: WordNet® 3.1
eardrum (plural eardrums)
(anatomy) A thin membrane that separates the outer ear from the middle ear and transmits sound from the air to the malleus.
• membrana tympanica
• tympanic membrane
Source: Wiktionary
Ear"drum`, n. (Anat.)
Definition: The tympanum. See Illust. of Ear.
Source: Webster’s Unabridged Dictionary 1913 Edition
31 March 2025
(adjective) done or made using whatever is available; “crossed the river on improvised bridges”; “the survivors used jury-rigged fishing gear”; “the rock served as a makeshift hammer”
Decaffeinated coffee comes from a chemical process that takes out caffeine from the beans. Pharmaceutical and soda companies buy the extracted caffeine.