See Also: A-V dissociation(medicine)
dissociation(dictionary)
Dissociation(health)
dissociation(encyclopedia)
Dissociation(medicine)
atrial dissociation(medicine)
electromechanical dissociation(medicine)
interference dissociation(medicine)
isorhythmic dissociation(medicine)
light-near dissociation(medicine)

lasso (iou) and dissociation (iou)


lasso (iou)



lasso noun & verb. Also laso, lazo. M18.
[Spanish lazo (repr. Amer. Spanish pronunc.) = Old French laz: see LACE noun & adjective.]
A. noun. Pl. -o(e)s.
A long rope, esp. of untanned hide, with a noose at one end now used chiefly in the western US for catching cattle and wild horses. M18.
Hist. A girth placed round a cavalry horse with a lasso or long rope attached, for use in drawing guns etc. Also lasso-harness. M19.
Comb.: lasso-cell Zoology a nematocyst or stinging cell of a coelenterate; a similar cell of a ctenophore, which with others exudes a long sticky thread; lasso-harness: see sense 2 above.
b. verb trans.
Catch (as) with a lasso. E19.
Military. Draw (guns etc.) with lasso-harness. M19.
lassoer noun L19.

dissociation (iou)



dissociation noun. E17.
[French, or Latin dissociatio(n-), formed as DISSOCIATE: see -ATION.]
The action of dissociating; the condition of being dissociated; disassociation. E17.
spec. in Science. The usu. reversible breaking up of a compound into simpler substances, esp. by the action of heat on a gas or a solvent on a solute; the analogous breaking up of a molecule; the ionization of an atom. M19.
Psychology. The process or result of breaking up an association of ideas. L19.
Psychiatry. A process, or the resulting condition, in which certain concepts or mental processes are separated from the conscious personality; spec. the state of a person suffering from dissociated personality. L19.
Comb.: dissociation constant the product of the concentrations of dissolved ions in a solution, at equilibrium, divided by the concentration of the undissociated molecule.