one of a series of pearshaped vessels of earthenware or glass, open at both ends and fitted one above the other, for recovering the sublimates produced during sublimation.
The first cost is stated to be more than ten times greater than that of an aludel furnace, while the capacity is only 50 per cent.
Scientific American Supplement, No. 312, December 24, 1881 Various
(chem) a pear-shaped vessel, open at both ends, formerly used with similar vessels for collecting condensates, esp of subliming mercury
Also called bastard wing, spurious wing. the group of three to six small, rather stiff feathers growing on the first digit, pollex, or thumb of a bird’s wing. a membranous lobe at the base of each wing of a dipterous insect. Historical Examples Calypter: Diptera; the alula or squama when it covers the haltere. Explanation […]
Also called potash alum, potassium alum. a crystalline solid, aluminum potassium sulfate, K 2 SO 4 ⋅Al 2 (SO 4) 3 ⋅24H 2 O, used in medicine as an astringent and styptic, in dyeing and tanning, and in many technical processes. one of a class of double sulfates analogous to the , as aluminum ammonium […]
any naturally occurring or synthetically produced containing alkali-metal or alkaline-earth-metal ions, as a feldspar, zeolite, or beryl. noun a silicate in which some of the silicon in the tetrahedral unit SiO4 has been replaced by aluminium
- Alum rock
a town in W central California, near San Jose.