| 单词 |
rachidian |
| 释义 |
Definition of rachidian in English: rachidian(also rhachidian) adjective rəˈkɪdɪən 1Anatomy. Of or relating to the spine; spinal; vertebral. 2Zoology. In a gastropod mollusc: designating or relating to any of the median row of teeth of the radula.
noun rəˈkɪdɪən Zoology. A rachidian tooth of a gastropod mollusc.
OriginEarly 19th century; earliest use found in The Lancet. From French rachidien from scientific Latin rachid- (taken as stem of rachis) + French -ien. Definition of rachidian in US English: rachidian(also rhachidian) adjectiverəˈkɪdɪən 1Anatomy. Of or relating to the spine; spinal; vertebral. 2Zoology. In a gastropod mollusc: designating or relating to any of the median row of teeth of the radula.
nounrəˈkɪdɪən Zoology. A rachidian tooth of a gastropod mollusc.
OriginEarly 19th century; earliest use found in The Lancet. From French rachidien from scientific Latin rachid- (taken as stem of rachis) + French -ien. |
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