| |||
| maxillopod (species often described in collocations using "рачок" (copepod, ostracod, barnacle) are maxillopods Alex Lane) | |||
| entomostracan (Entomostraca dimock); small crustacean (dimock) | |||
| |||
| ratchet-brace | |||
| Russian thesaurus | |||
| |||
| рак | |||
|
рачок : 13 phrases in 6 subjects |
| Biology | 3 |
| General | 1 |
| Geology | 2 |
| Hydrobiology | 1 |
| Sakhalin | 1 |
| Zoology | 5 |