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/ˈfɔːltɪdʒ/Etymology: < fault n. 9 + -age suffix.
Geology.
the world > the earth > structure of the earth > structural features > discontinuity or unconformity > [noun] > fault > faults collect
1899 13 272 Well-marked lines of faultage going down to the bases of the mountains.
This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2018).