dirt-bedn.
Geology.
A stratum consisting of ancient vegetable mould; spec. A bed of dark bituminous earth containing the stumps of trees, occurring in the lower Purbeck series of the Isle of Portland, and overlying the Portland oolite.
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1824 T. Webster in Geol. Trans. (1829) II. 42 A bed about one foot thick, consisting of a dark-brown substance, and containing much earthy lignite; this bed is very remarkable and extends all through the north end of the Isle of Portland..It is called by the quarrymen the Dirtbed.
1836 W. Buckland Geol. & Mineral. I. xviii. 495 (note) A single stump, rooted in the dirt-bed in the Isle of Portland.
1851 G. F. Richardson Introd. Geol. (1855) 397 A mass of bituminous earth, called the ‘dirt-bed’, which is an ancient vegatable soil, containing numerous trunks of fossil trees, standing erect at a height of from one to three feet, with their summits jagged.
This entry has not yet been fully updated (first published 1896; most recently modified version published online December 2021).
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n.1824- well-plenished
- well-plighted
- well-plucked
- well-plucked 'un
- well-plucked one
- well-plumed
- well-pointed
- well-poised
- well-pole
- well-policed
- well-policied
- well-polished
- well-populated
- well-positioned
- well-possessed
- well-practiced
- well-practised
- well-prepared
- well-presented
- well-preserved
- well-pressed
- well-primed
- well-principled
- well-printed
- well-prized