premeridian

\\|prē+\ adjective

Etymology: pre- + meridian

: happening or being before noon

* * *

premeridian, a.

(priːməˈrɪdɪən)

[pre- B. 1 a.]

Occurring before noon; in Geol., applied by H. D. Rogers to the seventh of his fifteen subdivisions of the Palæozoic strata of the Appalachian chain.

[see postmeridian a. 2]. Page Geol. Terms.