Aëroplane, ā′e-rō-plān, n. a form of flying-machine: a small plane for aerostatic experiments. [Gr. aēr, air, L. planus, plain.]
Agar-agar, äg′ar-äg′ar, n. a nutrient jelly prepared from certain seaweeds, and used in the artificial cultivation of bacteria.
Albuminuria, al-bū-min-ū′ri-a, n. the presence of albumin in the urine: the disease producing this.
Altiscope, al′ti-skōp, n. an instrument containing several lenses and mirrors, so arranged that an observer can see beyond intervening objects.
Barranca, bar-ran′ka, n. a deep gorge, with steep sides.—Also Barran′co. [Sp. Am.]
Carbohydrate, kär′bō-hī-drāt, n. a compound of carbon, hydrogen, and oxygen, the last two being in the proportion to form water. [Carbon and Hydrate.]
Cirrhosis, si-rō′sis, n. a wasting of the proper tissue of an organ, accompanied by abnormal growth of connective tissue. [Gr. kirrhos, tawny.]
Electron, ē-lek′tron, n. a particle or corpuscle vastly more minute than anything heretofore contemplated by science—in mass about a thousandth part of that of a hydrogen atom; and identified with the charge of negative electricity with which it is indissolubly associated. [From the root of Electric (q.v.).]
Formalin, form′al-in, n. a powerful antiseptic and germicide.—Also Formal′dehyde (see Aldehyde).
Limerick, lim′ėr-ik, n. 'nonsense verse' in five-lined stanzas.