Deras And Derma

(From Deras And Derma 2670 a sheep skin). The title of a book in chemistry, treating of the art of transmuting base metals into gold. It is written on sheep skins; hence also Derma.


See Impetigenes.


(From Dermatoides 2672 a skin, or leathers, and . See Dura Mater.


A, (from Dermatolog 2674 the skin, and a discourse ). A treatise on the skin. Dermato-pathologia. The pathology or diseases of the skin.


(From Dertron 2676 the skin, or c

Abdomen, Omentum, and Intestina 4 A


And Descensus, (from

to move downwards,) mean the gentle and moderate motion of the body, or of the fluids, downwards. The chemists call it distillatio per descensum when the fire is applied to the top, and all around the vessel, whose orifice is at the bottom, and the vapours consequently driven there. Liquifying salts by exposing them to the air, as in making the aqua kali, is also a sort of distillatio per descensum.


(From the same). See Botus.


(From de, and sedeo, to sit down ). Celsus uses this word for sitting on a close stool. De-surheotio is used in the same sense, q. v.


(From desicco, to dry up). Drying. The chemists also refer it (though improperly) to calcination.


(From desicco, to dry up). De-siccative. See Epulotica.

Desidia Oblivio

(From deses, sloth, and obli-viscor, to forget). That inactivity and forgetfulness which attend the approach of lethargy. See Lethar-c;is, under Caros.


(From desipio, to rave, or to doat). See Phrenitis.


(From Desme 2677 to tie, or bind,) a word which occurs in Moschion. A faggot. See Manipulus.


A diminutive of desme; a handful.


(From Desmos 2678 to bind up). In Hippocrates de Fractura, this word signifies an affection of a joint after a luxation, when, as if tied, it is rendered incapable of bending or stretching out, which proceeds from inflammation.


(From despumo, to scum). See Depuratio.


(From de, privative, and squama, the scale of a fish). To take off scales. Sometimes it signifies the same as abrasio; and by a metaphor is applied to the separation of a foul bone, the laminae of which rise like scales; more properly termed Exfolia-tio; which see. When the scarf skin peels off after some eruptive complaint, the process is named desqua-matio.


(From desquamo, to scale off). An epithet of a trepan, called also exfoliativum, for abrading part of the cranium.