parent material

parent material
noun
: the disintegrated rock material usually unconsolidated and unchanged or only slightly changed that underlies and generally gives rise to the true soil by the natural process of soil development — called also source material; compare horizon 2, solum

Useful english dictionary. 2012.

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  • Parent material — Parent material, in soil science, means the underlying geological material (generally bedrock or a superficial or drift deposit) in which soil horizons form. Soils typically get a great deal of structure and minerals from their parent material.… …   Wikipedia

  • parent material —    Material from which soil or sediment was formed [16] …   Lexicon of Cave and Karst Terminology

  • parent-material —   rock or regolith from which the inorganic, mineral component of a soil is derived …   Geography glossary

  • parent material —    The unconsolidated and more or less chemically weathered mineral or organic matter from which a soil’s solum is developed by pedogenic processes.    GSST …   Glossary of landform and geologic terms

  • Parent (disambiguation) — Parent may refer to:*Parenting, comprising all the tasks involved in raising a child to an independent adult. Types of parents include: **Foster parent, an adult guardian to whom one or more children have been legally entrusted **Godparent, in… …   Wikipedia

  • Parent rock — refers to the original rock from which something else was formed. It is mainly used in the context of soil formation where the parent rock will have a large influence on the nature of the resulting soil. The term is also used in the context of… …   Wikipedia

  • Parent company — A parent company is a company that owns enough voting stock in another firm to control management and operations by influencing or electing its board of directors; the second company being deemed as a subsidiary of the parent company. The… …   Wikipedia

  • parent — I. noun Etymology: Middle English, from Anglo French, from Latin parent , parens; akin to Latin parere to give birth to Date: 15th century 1. a. one that begets or brings forth offspring b. a person who brings up and cares for another 2. a. an… …   New Collegiate Dictionary

  • parent — 1. An individual who has produced at least one offspring through sexual reproduction. 2. Any source or basis, as for the elaboration of a substance. [L. parens, fr. pario, to bring forth] * * * parenteral * * * par·ent par ənt, per n 1) one that… …   Medical dictionary

  • source material — noun 1. : basic raw material requires … actual source materials in original languages on cultures, customs, economy D.H.Clift ship nuclear source materials to allied nations Time 2. : parent material …   Useful english dictionary

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