- hardpan layer
- ортштейн
Англо-русский словарь по деревообрабатывающей промышленности. 2013.
Англо-русский словарь по деревообрабатывающей промышленности. 2013.
hardpan — [härd′pan΄] n. 1. a layer of hard soil cemented by almost insoluble materials that restrict the downward movement of water and roots 2. solid, unplowed ground ☆ 3. the hard, underlying part of anything; solid foundation … English World dictionary
Hardpan — For the geography term, a dry terminus of an internally drained basin in a dry climate (i.e. salt flat/playa), see Dry lake. In soil science, agriculture and gardening, hardpan or ouklip is a general term for a dense layer of soil, usually found… … Wikipedia
hardpan — /hahrd pan /, n. 1. any layer of firm detrital matter, as of clay, underlying soft soil. Cf. caliche, duricrust. 2. hard, unbroken ground. 3. the fundamental or basic aspect of anything; solid foundation; underlying reality: the hardpan of… … Universalium
hardpan — noun Date: 1817 1. a cemented or compacted and often clayey layer in soil that is impenetrable by roots 2. a fundamental part ; bedrock … New Collegiate Dictionary
hardpan — noun a distinct layer of soil that is largely impervious to water … Wiktionary
hardpan — n. layer of clay or other solid matter; unbroken soil; solid base, strong foundation … English contemporary dictionary
hardpan — noun a hardened impervious layer, typically of clay, occurring in or below the soil … English new terms dictionary
hardpan — hard•pan [[t]ˈhɑrdˌpæn[/t]] n. 1) gel any layer of firm detrital matter, as of clay, underlying soft soil 2) hard, unbroken ground • Etymology: 1810–20 … From formal English to slang
hardpan — /ˈhadpæn/ (say hahdpan) noun 1. any layer of firm detrital matter, as of clay, underlying soft soil. 2. hard, unbroken ground. 3. solid foundation; hard underlying reality …
hardpan — n. Geol. a hardened layer of clay occurring in or below the soil profile … Useful english dictionary
Meteorite — This article is about debris from space that survives impact with the ground. For other uses of Meteor and Meteors , see Meteor (disambiguation). For popular applications, see Falling star. For the fictional superhero in the Marvel Comics… … Wikipedia