Atrek
a river arising in NE Iran, flowing W, then along the Iran-Turkmenistan border, and through Turkmenistan into the Caspian Sea. About 300 miles (485 km) long.
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- Atraumatic suture
atraumatic suture atraumatic suture a·trau·mat·ic suture (ā’trô-māt’ĭk, -trou-, -trə-) n. A suture affixed to the end of a small eyeless needle.
- Atrazine
a white crystalline compound, C 8 H 14 N 5 Cl, used as an herbicide to control weeds, especially in corn crops. noun a white crystalline compound widely used as a weedkiller. Formula: C8H14N5Cl
- Atremble
in a state. Historical Examples Taking his hand she stepped close to him, misty-eyed, atremble. Terry Charles Goff Thomson The snow was suffocating him, and his legs were atremble with the effort he had put forth. Left on the Labrador Dillon Wallace But my limbs were all atremble; I could not come down to you, […]
- Atresia
the congenital absence, or the pathological closure, of an opening, passage, or cavity. Historical Examples atresia was in no instance great enough to account for the complete loss of enlarged follicles. Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz John M. Legler Perhaps in some cases of atresia there may be a […]
- Atretic
the congenital absence, or the pathological closure, of an opening, passage, or cavity. noun absence of or unnatural narrowing of a body channel n. “occlusion of a natural passage in the body,” 1807, from Modern Latin atresia, from Greek atretos “not perforated,” from a-, privative prefix, + tresis “perforation,” from PIE *tere- “to rub, turn,” […]