arenicolite

noun ar·e·nic·o·lite \-əˌlīt\

Definition of arenicolite

plural

-s

  1. :  a marking found on certain stratified rocks generally regarded as the trail of a mollusk or crustacean though formerly supposed to represent arenicolous worm borrows or trails

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Origin and Etymology of arenicolite

New Latin Arenicola + English -ite


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