What does "subjacent" mean?

Lying beneath or at a lower level; underlying.

What is a synonym for "subjacent"?

Common synonyms include: down, earlier, inferior, lesser, lour, low.

Pronounced //sʌbˈdʒeɪsənt//.

/sʌbˈdʒeɪsənt/ adj

adj ·Rare ·Advanced level

Adjective

1
Lying beneath or at a lower level; underlying.
"In some places, however, quartz reefs, payably auriferous while in Silurian rock, have been followed down to subjacent granite, and have there been found to thin out and become unprofitable […]"

Adjective

"The sedimentary beds contain pebbles of the subjacent granite."

From Latin subiaceō (“lie beneath”).