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Having twice as many stamens as petals, those of the outer set being opposite the petals; -- said of flowers. Gray.

Having eight pistils or styles; octogynous.

Having eight pistils; octagynous.

Having the nature or qualities of oil; oily; unctuous.

Oiliness. Boyle.

sense; now chiefly in the latter; foreboding or foreshowing evil; inauspicious; as, an ominous dread. He had a good ominous name to have made a peace. Bacon. In the heathen worship of God, a sacrifice without a heart was accounted ominous. South. -- Om"i*nous*ly, adv. -- Om"i*nous*ness, n.

Consisting of all kinds. [R.]

Producing an operculum; -- said of the foot, or part of the foot, of certain mollusks.

Oxygenic.

Pertaining to or containing, ozone.

Paludinal. (b) Like or pertaining to the genus Paludina.

Having feet resembling hands, or with the first toe opposable, as the opossums and monkeys.

Pentagonal.

Of or pertaining to plants of the order Pentagyna; having five styles.

Capable of yielding, or being converted into, peptone.

Like parchment.

Having the ovary free, but the petals and stamens borne on the calyx; -- said of flower such as that of the cherry or peach.

Phagedenic.

Having the nature or properties of phlegmon; as, phlegmonous pneumonia. Harvey.

Causing inflammation.