/
ɪˈratɪk/
adj.
not even or regular in pattern or movement.
n.
(also
erratic block or
boulder)
Geology a large rock that differs from the surrounding rock, brought from a distance by glacial action.
Derivative
- erratically adv.
- erraticism n.
Etymology
ME: from OFr. erratique, from L. erraticus, from errare ‘to stray, err’.
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