on or about

Also found in: Legal, Acronyms

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on or about,

adv a phrase used in stating the date of an occurrence or conveyance to avoid being bound by the statement of an exact or certain date.

Onchocerca

n a genus of elongated filariform nematodes that inhabit the connective tissue of their hosts, usually within firm nodules in which these parasites are coiled and entangled.

O. volvulus,

n the blinding nodular nematode that causes dermatologic lesions and ocular complications that lead to blindness.

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Omphalotus
OMS
Omsk hemorrhagic fever
OMT
on
on account
on call
on or about
on period
on-call
on-campus
on-cost
on-line
on-off phenomenon
on-the-rail dressing

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