solum

noun

so·lum ˈsō-ləm

plural sola ˈsō-lə

or solums

: the altered layer of soil above the parent material that includes the A and B horizons

Etymology

New Latin, from Latin, ground, soil

First Known Use

1928, in the meaning defined above

Time Traveler

The first known use of solum was in 1928

See more words from the same year

Style

“Solum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solum. Accessed 3 Jun. 2023.

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