from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Pathology Separation of normally joined parts, such as the separation of adjacent bones without fracture or of certain abdominal muscles during pregnancy.
- n. Physiology The last stage of diastole in the heart, occurring just before contraction and during which little additional blood enters the ventricle.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a separation between two parts of a bone, without fracture
from the GNU version of the Collaborative International Dictionary of English
- n. A forcible separation of bones without fracture.
from The Century Dictionary and Cyclopedia
- n. Forcible separation of bones without fracture, as the result of external mechanical injury or direct violence; dislocation; luxation.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. separation of an epiphysis from the long bone to which it is normally attached without fracture of the bone
Greek, separation, from diistanai, to separate : dia-, apart; see dia- + histanai, to cause to stand; see stā- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From New Latin, from Ancient Greek διάστασις (diástasis, "separation, standing aloof"), from διά (diá) + στάσις (stásis, "standing"). Compare diastema. (Wiktionary)