æthrioscope (ethrioskop)

[ E. ether ), + σκοπεῖν, observe, look at.] tions of temperature due to different conditions of the sky. It consists of a differential thermometer (which see, under thermometer ), both bulbs of which are within a cup-shaped mirror, one of them in its focus, so as to be especially affected on being exposed to the sky. The cup is kept covered with a lid when the instrument is every pa ing cloud. not in use. Its delicacy is so great that it is affected by Æthus a (e-thu'sä), n. [NL., [ The practical results of etiological studies, so far as the prevention and cure of disease are concerned, are likely to be much greater than those which have been gained by the pathologists. G. M. Sternberg, Bacteria, p. 236. etiologically, etiologically (ē"ti-o-loj'i-kal-i), adv. In an etiological manner; with regard to cause, or the a ignment of a cause: as, an IMG:content-0337.png:[graphic] One ætiologically obscure failure of nutrition. ætiologist, etiologist (e-ti-ol'ō-jist), n. who is versed in ætiology; one who investigates physical causes, or inquires into the relations of such causes to effects in physics or biology: often used as the opposite of tele ologist.