Word Study
opercular |
operculate |
operculated |
operculiferous |
operculiform |
operculigenous
| operculum
| operetta
| operon
| operose
| operoseness
operculigenous
CIDE DICTIONARY
operculigenous, a. [Operculum + -genous.].
Producing an operculum; -- said of the foot, or part of the foot, of certain mollusks. [1913 Webster]
For further exploring for "operculigenous" in Webster Dictionary Online