Entisoln.
/ˈɛntᵻsɒl/, U.S. /ˈɛn(t)əˌsɔl/, /ˈɛn(t)əˌsɑl/ Soil Science.
A soil of an order comprising mineral soils showing little or no development of distinct horizons (horizon n. 5b).
ΚΠ
1960 Soil Classif.: 7th Approximation (U.S. Dept. Agric.) 19 (table) Entisol... Formative element in name of order..ent... Derivation of formative element..Nonsense syllable.
1960 Soil Classif.: 7th Approximation (U.S. Dept. Agric.) viii. 105/1 The central concept of Entisols includes soils in deep regolith or earth with no horizons except perhaps a plow layer.
1976 McGraw-Hill Yearbk. Sci. & Technol. 367/1 Alfisols on glaciated land surfaces 20,000 years old..are commonly associated with Entisols a few hundred years old on floodplains.
2001 H. Brookfield Exploring Agrodiversity v. 86 The time needed for evolution of soils through the sequence from very young Entisols to Oxisols has been greatly underestimated.
This is a new entry (OED Third Edition, March 2013; most recently modified version published online March 2022).
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n.1960