Word Study
opinionator |
opinioned |
opinionist |
opiparous |
opisometer |
opisthion
| opisthobranchia
| opisthobranchiata
| opisthobranchiate
| opisthocœlian
| opisthocœlous
opisthion
CIDE DICTIONARY
opisthion, n. [NL., fr. Gr. hinder.].
The middle of the posterior, or dorsal, margin of the great foramen of the skull. [1913 Webster]
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