a. 不用冠词的, 无关节的

[医] 言语讷吃的, 口吃的, 音节不清的

Anarthrous \An*ar"throus\, a. [Gr. 'a`narqros without joints,
without the article; 'an priv. + 'a`rqron joint, the
article.]
1. (Gr. Gram.) Used without the article; as, an anarthrous
substantive.

2. (Zo["o]l.) Without joints, or having the joints
indistinct, as some insects.
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