Primitive-cell
noun, Crystallography.
1.
a unit cell containing no points of the lattice except at the corners of the cell.
Read Also:
- Primitive-church
noun 1. the early Christian church, especially in reference to its earliest form and organization. 2. this church, especially as representative of Christianity in its supposedly purest form.
- Primitive costal arch
primitive costal arch n. Any of the arches formed from the costal processes or elements that give rise to the ribs in the thoracic region of the embryonic vertebral column.
- Primitive-friends
plural noun 1. a group of Quakers, noted for their extreme conservatism, who withdrew from the Wilburites in 1861.
- Primitive furrow
primitive furrow n. The groove in the primitive streak of the embryonic disk.
- Primitive-gut
noun 1. archenteron. noun, plural archentera [ahr-ken-ter-uh] /ɑrˈkɛn tər ə/ (Show IPA). Embryology. 1. the primitive enteron or digestive cavity of a gastrula. noun 1. the cavity within an embryo at the gastrula stage of development that eventually becomes the digestive cavity archenteron ar·chen·ter·on (är-kěn’tə-rŏn’, -tər-ən) n. See gastrocele.