oculoauriculovertebral dysplasia
A syndrome characterised by epibulbar dermoids, preauricular appendages, micrognathia, and vertebral and other anomalies (more...)
OB
Short for obstetrics (or an obstetrician).
obcompressed
Compressed or flattened antero-posteriorly, or in a way opposite to the usual one.
obcordate
Heart-shaped, with the attachment at the pointed end; inversely cordate: as, an obcordate petal or leaf.
obdiplostemonous
<botany> Having twice as many stamens as petals, those of the outer set being opposite the petals; said of flowers (more...)
obdiplostemony
<botany> The condition of being obdiplostemonous.
obdormition
Numbness of an extremity, due to pressure on the sensory nerve.
obduracy
The duality or state of being obdurate; invincible hardness of heart; obstinacy. "Obduracy and persistency." "The absolu (more...)
obdurate
1. Hardened in feelings, especially. Against moral or mollifying influences; unyielding; hard-hearted; stubbornly wicked (more...)
obduration
A hardening of the heart; hardness of heart.
