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erratic

er·rat·ic / iˈratik/ • adj. not even or regular in pattern or movement; unpredictable: her breathing was erratic. ∎  deviating from the normal or conventional in behavior or opinions: neighbors were alarmed by increasingly erratic behavior. • n. (also erratic block or boulder) Geol. a rock or boulder that differs from the surrounding rock and is believed to have been brought from a distance by glacial action. DERIVATIVES: er·rat·i·cal·ly / -(ə)lē/ adv.

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"erratic." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. 21 Nov. 2017 <http://www.encyclopedia.com>.

"erratic." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. (November 21, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/erratic-0

"erratic." The Oxford Pocket Dictionary of Current English. . Retrieved November 21, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/erratic-0

erratic

erratic A glacially transported rock whose lithology shows that it could not have been derived from the local country rock. An example is the occurrence near Snowdonia, Wales, of granites derived from Scotland. An ‘indicator’ is an erratic whose origin can be located precisely.

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"erratic." A Dictionary of Ecology. . Encyclopedia.com. 21 Nov. 2017 <http://www.encyclopedia.com>.

"erratic." A Dictionary of Ecology. . Encyclopedia.com. (November 21, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/erratic-0

"erratic." A Dictionary of Ecology. . Retrieved November 21, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/erratic-0

erratic

erratic Glacially transported rock whose lithology shows that it could not have been eroded from the local country rock. An example is the occurrence near Snowdonia, Wales, of granites derived from Scotland. An ‘indicator’ is an erratic whose origin can be located precisely.

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"erratic." A Dictionary of Earth Sciences. . Encyclopedia.com. 21 Nov. 2017 <http://www.encyclopedia.com>.

"erratic." A Dictionary of Earth Sciences. . Encyclopedia.com. (November 21, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/erratic

"erratic." A Dictionary of Earth Sciences. . Retrieved November 21, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/erratic

erratic

erratic In geology, a rock that has been transported some distance from its source by glacial action, and is therefore of a different type to the surrounding rocks. The tracing of erratics can give important information about the movement of ice.

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"erratic." World Encyclopedia. . Encyclopedia.com. 21 Nov. 2017 <http://www.encyclopedia.com>.

"erratic." World Encyclopedia. . Encyclopedia.com. (November 21, 2017). http://www.encyclopedia.com/environment/encyclopedias-almanacs-transcripts-and-maps/erratic

"erratic." World Encyclopedia. . Retrieved November 21, 2017 from Encyclopedia.com: http://www.encyclopedia.com/environment/encyclopedias-almanacs-transcripts-and-maps/erratic

erratic

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"erratic." Oxford Dictionary of Rhymes. . Encyclopedia.com. 21 Nov. 2017 <http://www.encyclopedia.com>.

"erratic." Oxford Dictionary of Rhymes. . Encyclopedia.com. (November 21, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/erratic

"erratic." Oxford Dictionary of Rhymes. . Retrieved November 21, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/erratic