▸(of twins) developed from a single fertilized ovum, and therefore of the same sex and usually very similar in appearance. Compare with fraternal (in sense 3).
Logic & Mathematics expressing an identity.
Derivative
identicallyadv.
Etymology
C16: from med. L. identicus, from late L. identitas (see identity).
To prevent terrorist attacks, the security guards at the airport check all luggage carefully to see if there are any _____ items or other dangerous objects.
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