| 单词 | ortho- |
| 释义 | ortho- or orth- pref. 1. Straight; upright; vertical: orthotropous. 2. Perpendicular: orthorhombic. 3. Correct; correction: orthopsychiatry. 4. The most fully hydrated form of an acid or of its salts: orthoboric acid. 5. Of or relating to one of three possible isomers of a benzene ring with two attached chemical groups in which the carbon atoms with attached groups are adjacent: ortho-dibromobenzene. [Middle English, from Old French, from Latin, from Greek, from orthos, straight, correct, right.] |
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