[tep-uh-spahn, tep-uh-spahn] /ˈtɛp əˌspɑn, ˌtɛp əˈspɑn/
an early human known from skeletal remains found near Tepexpán, Mexico, and dating c10,000–8000 b.c.
plural noun, Judaism. 1. tefillin. plural noun, Judaism. 1. the phylacteries.
noun, (used with a plural verb) 1. clastic volcanic material, as scoria, dust, etc., ejected during an eruption. noun 1. (mainly US) solid matter ejected during a volcanic eruption tephra (těf’rə) Solid matter, such as ash, dust, and cinders, that is ejected into the air by an erupting volcano. Tephra is a general term for […]
noun, Petrography. 1. a basaltic rock consisting essentially of pyroxene and plagioclase with nepheline or leucite. noun 1. a variety of basalt containing plagioclase, augite, and a feldspathoid, commonly nepheline, or leucite
[tef-roh-kruh-nol-uh-jee] /ˌtɛf roʊ krəˈnɒl ə dʒi/ noun, Geology. 1. a geochronologic technique based on the dating of layers of volcanic ash.