See Also: dufrenoysite(dictionary)

liverwort (iou) and dufrenoysite (iou)


liverwort (iou)



liverwort noun. LOE.
[from LIVER noun1 + WORT noun1, translating medieval Latin hepatica.]
Orig., the thalloid bryophyte Marchantia polymorpha, lobed like the liver. Now, any bryophyte of the class Hepaticae, with a capsule splitting open into four valves and either thalloid or mosslike (foliose) in form. LOE.
= HEPATICA 2. Now US. L16.

dufrenoysite (iou)



dufrenoysite noun. M19.
[formed as DUFRENITE + -s- + -ITE1.]
Mineralogy. A monoclinic sulphide of lead and arsenic usu. occurring as grey prisms with a metallic lustre.