inequivalveadj.
/ɪnˈiːkwɪvalv/ Conchology.
Having valves of unequal size.
ΘΚΠ
the world > animals > animal body > general parts > covering or skin > [adjective] > having a hard protective covering > having a shell > having specific number or type of shell
bivalve1661
bivalvular1677
bivalvous1696
bivalved1755
inequivalve1777
inequivalved1816
inequivalvular1828
1777 T. Pennant Brit. Zool. (ed. 4, quarto) IV. vi. 108 Anomia. Bivalve, inequivalve.
1851 T. Wright & G. F. Richardson Introd. Geol. (new ed.) viii. 243 If one valve is larger than the other, it is said to be inequivalve.
1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 125 The valves of the shell are inequivalve in the Ostreidae, one valve being smaller than the other.
Derivatives
inˈequivalved adj.
ΘΚΠ
the world > animals > animal body > general parts > covering or skin > [adjective] > having a hard protective covering > having a shell > having specific number or type of shell
bivalve1661
bivalvular1677
bivalvous1696
bivalved1755
inequivalve1777
inequivalved1816
inequivalvular1828
1816 W. Smith Strata Identified 30 Six species of inequivalved Bivalves.
1835–6 Todd's Cycl. Anat. & Physiol. I. 710/1 When one of the valves is larger than the other, it is of course inequivalved.
inˌequiˈvalvular adj. = inequivalved adj.
ΘΚΠ
the world > animals > animal body > general parts > covering or skin > [adjective] > having a hard protective covering > having a shell > having specific number or type of shell
bivalve1661
bivalvular1677
bivalvous1696
bivalved1755
inequivalve1777
inequivalved1816
inequivalvular1828
1828 N. Webster Amer. Dict. Eng. Lang. Inequivalvular.
This entry has not yet been fully updated (first published 1900; most recently modified version published online June 2022).
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adj.1777