horizon
- Noun. The horizontal line that appears to separate the Earth from the sky.
- Noun. The range or limit of one's knowledge, experience or interest.
- Noun. (geology) A specific layer of soil or strata.
- Noun. (archeology, US) A cultural sub-period or level within a more encompassing time period.
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This entry was last updated on RefTopia from its source on 3/20/2012.