actinopterygian

名词 n. 形容词 adj.
中文释义

英文释义

名词 n.
  1. Any of the ray-finned fish of the taxonomic class Actinopterygii.
    — […] actinopterygians have 'ray fins' which are supported by a series of narrow cartilaginous or bony rods called radials, while sarcopterygians have 'lobe fins' supported by a single basal bone and with muscles that can modify the posture of the fin.
形容词 adj.
  1. Of the nature of fish of the class Actinopterygii.
    — Already some years ago it was pointed out that the skeleton of the pelvic fin and girdle of Polypterus is much more actinopterygian than crossopterygian in structure.

词形变化

actinopterygians plural more actinopterygian comparative most actinopterygian superlative

词汇关系

反义词
sarcopterygian

词源

词源 1
Actinopterygii + -an
词源 2
Actinopterygii + -an
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