See Also: polyphyletic(medicine)
polyphyletic(dictionary)
polyphyletic theory(medicine)
laissez faire(medicine)
laissez-faire(encyclopedia)
laissez-passer(dictionary)
laissez-faire(dictionary)
laissez-aller(dictionary)
Laissez-faire(finance)
laissez-faire(dictionary)

laissez-aller (iou) and polyphyletic (medicine)


laissez-aller (iou)



laissez-aller noun. Also laisser-aller. E19.
[French, lit. 'allow to go'.]
Absence of restraint; unconstrained ease and freedom.
Thackeray With some justice, though with a good deal too much laissez-aller of tongue. attrib.: Dickens A magnificent high-handed laissez-aller neglect.

polyphyletic (medicine)


polyphyletic


Composed of members that originated, independently, from more than one evolutionary line.

Compare: monophyletic.