Definitions
from The Century Dictionary.
- In conchology, having unequal valves, as a bivalve mollusk; having one of the valves larger than the other: applied both to lamelli-branch bivalves, in which the valves are lateral, and to brachiopods, in which the valves are a dorsal and a ventral one.
from the GNU version of the Collaborative International Dictionary of English.
- adjective (Zoöl.) Having unequal valves, as the shell of an oyster.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective zoology Having
valves of different sizes - noun Any bivalve mollusc whose valves are of different sizes.
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
in- + equivalve
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Examples
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Subcordate inequivalve ventricose; elongated and only slightly oblique; beaks very prominent and distant; ribs about twenty-five, crenulated, or transversely ridged; hinge area wide and marked by divergent striae or channels.
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(Fig. 225.) Shell rather large, thin, sub-oval, inequivalve, sub-ventricose, marked with rather obscure radiating lines, and impressed with an oblique fold in each valve.
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"Shell inequivalve and nearly inequilateral; free or adherent resting on one valve; beaks central, straight ligament internal; muscular impression single and behind the centre; hinge usually without teeth."
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