Decaffeinated coffee comes from a chemical process that takes out caffeine from the beans. Pharmaceutical and soda companies buy the extracted caffeine.
concentric, concentrical, homocentric
(adjective) having a common center; “concentric rings”
Source: WordNet® 3.1
concentric (comparative more concentric, superlative most concentric)
(geometry) Having a common center.
(physiology) (of a motion) in the direction of contraction of a muscle. (E.g. extension of the lower arm via the elbow joint while contracting the triceps and other elbow extensor muscles; closing of the jaw while flexing the masseter).
Antonym: eccentric. Concentric and eccentric movements are collectively referred to as isotonic (with motion), the antonym of which is isometric (without motion).
• (physiology): eccentric
Source: Wiktionary
Con*cen"tric, Con*cen"tric*al, a. Etym: [F. concentrique. See Concenter.]
Definition: Having a common center, as circles of different size, one within another. Concentric circles upon the surface of the water. Sir I. Newton. Concentrical rings like those of an onion. Arbuthnot.
Con*cen"tric, n.
Definition: That which has a common center with something else. Its pecular relations to its concentrics. Coleridge.
Source: Webster’s Unabridged Dictionary 1913 Edition
2 May 2025
(noun) excavation consisting of a vertical or sloping passageway for finding or mining ore or for ventilating a mine
Decaffeinated coffee comes from a chemical process that takes out caffeine from the beans. Pharmaceutical and soda companies buy the extracted caffeine.