See Also: thallus(medicine)
thallus(dictionary)
thallus(encyclopedia)

arbitral (iou) and thallus (iou)


arbitral (iou)



arbitral adjective. L15.
[Old & mod. French, or late Latin arbitralis, formed as ARBITER: see -AL1.]
Of or pertaining to arbitrators or arbitration.

thallus (iou)



thallus noun. . E19.
[Greek thallos green shoot, from thallein to bloom.]
Botany. A plant body (as in algae, fungi, lichens, and some liverworts) not differentiated into stem and leaves, lacking true roots or a vascular system, and freq. flattened and ribbon-like.