discoid

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discoid

[′dis‚kȯid]
(biology)
Being flat and circular in form.
Any structure shaped like a disc.
References in periodicals archive ?
Among all of this material, only rive examples occur of two discoids touching one another, and no examples occur of more than two discoids touching one another.
Discoids exhibit a range of preservational quality on the outcrop (Appendix 1).
Discoids have a mean diameter of 7.4 cm, but vary from circular (51%; Fig.