- hard ground
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an etching ground applied to the surface of a plate held over a small flame and spread by a dabber or brayer. Cf. soft ground (def. 1).
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Universalium. 2010.
hard ground
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*hard ground — ● hard ground nom masculin (anglais hard ground, fond durci) Dans les sédiments marins, surface encroûtée d oxydes de fer et de manganèse, traduisant un arrêt dans la continuité de la sédimentation … Encyclopédie Universelle
hard ground — noun : etching ground melted from a ball or cake onto a heated plate and spread while soft by means of a roller or dabber * * * an etching ground applied to the surface of a plate held over a small flame and spread by a dabber or brayer. Cf. soft … Useful english dictionary
HARD-GROUNDS — Surfaces lithifiées dues à la cimentation précoce du sédiment par des carbonates, des phosphates ou des hydroxydes de fer avant leur enfouissement sous de nouveaux apports sédimentaires. On reconnaît les hard grounds dans les séries calcaires… … Encyclopédie Universelle
hard — 1. adjective 1) hard ground Syn: firm, solid, rigid, stiff, resistant, unbreakable, inflexible, impenetrable, unyielding, solidified, hardened, compact, compacted, dense, close packed, compressed; steely … Thesaurus of popular words
hard — 1. adjective 1) hard ground Syn: firm, solid, rigid, stiff, unbreakable, unyielding, compacted, tough, strong 2) hard physical work Syn: arduous, strenuous … Synonyms and antonyms dictionary
hard freeze — noun A freeze sufficiently long and severe to destroy seasonal vegetation and lead to ice formation in standing water and hard ground. Three degrees Celsius below freezing is considered a threshold in the US. Syn: killing freeze … Wiktionary
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