| |||
capping; cell cap | |||
cap | |||
opercle (operculum); operculum | |||
aptychus | |||
| |||
gill cover; gill lid | |||
| |||
to cap; seal; cap |
opercule : 34 phrases in 10 subjects |
Agriculture | 9 |
Chemistry | 3 |
Construction | 3 |
Life sciences | 3 |
Mechanic engineering | 2 |
Medical | 5 |
Natural resourses and wildlife conservation | 1 |
Paleontology | 1 |
Technology | 5 |
Transport | 2 |