| 单词 | open-chain |
| 释义 | open-chain (once / 787955 pages) adj WORD FAMILY open-chain USAGE EXAMPLESCarbohydrates are classed as open-chain compounds, that is, they may be regarded as derivatives of the aliphatic hydrocarbons. Thatcher, Roscoe Wilfred, The Chemistry of Plant Life(2010) These compounds retain their aliphatic nature, and are best classified with open-chain compounds, into which, in general, they are readily converted. Various, Encyclopaedia Britannica, 11th Edit...(2010) Classification.—It is convenient to distinguish between aliphatic and aromatic acids; the first named being derived from open-chain hydrocarbons, the second from ringed hydrocarbon nuclei. Project Gutenberg, The Project Gutenberg Encyclopedia...(2010) adj having an open chain structure Syn|Ant acyclic aliphatic having carbon atoms linked in open chains cyclic of a compound having atoms arranged in a ring structure bicyclichaving molecules consisting of two fused rings closed-chain, closed-ringhaving atoms linked by bonds represented in circular or triangular form heterocycliccontaining a closed ring of atoms of which at least one is not a carbon atom homocyclic, isocycliccontaining a closed ring of atoms of the same kind especially carbon atoms |
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