from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The act or an instance of oozing forth.
- n. An exudate.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the act of exuding
- n. something that is exuded
from the GNU version of the Collaborative International Dictionary of English
- n. The act of exuding; sweating; a discharge of humors, moisture, juice, or gum, as through pores or incisions; also, the substance exuded.
from The Century Dictionary and Cyclopedia
- n. The act of exuding; an oozing or sweating out; a gradual discharge of humors or moisture.
- n. That which is exuded: as, gums are exudations from plants; serous exudations.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a substance that oozes out from plant pores
- n. the process of exuding; the slow escape of liquids from blood vessels through pores or breaks in the cell membranes
Sorry, no etymologies found.
 The term exudation is used to designate the passing of cells and fluid from the vessels in inflammation; the material is the exudate.
Higher CO2 concentrations tend to intensify root exudation, which is the main source of available carbon for soil and rhizosphere bacteria.
All comes to pass in the blackest depths of the crowd, whose agglomeration, growing denser and denser, produces the temperature needful for this exudation, which is the privilege of the youngest bees.
It is a mildly inflammatory disorder, somewhat similar to urticaria, and presumably due to vasomotor disturbance; the amount of exudation, which is variable, determines the character of the lesions.
There are three stages of this disease; the inflammatory, accompanied by swelling, and the formation of pimples or vesicles; that of exudation, which is succeeded by incrustation; and that of desquamation, in which the skin separates in little scales and sometimes becomes thickened.
The alimentary discharge becomes mixed with a sero-mucous exudation, which is followed by a certain amount of suppurative matter.
Let us now lift up, so far as we may, one of the folds of this garlanded curtain in the midst of which the swarm is beginning to produce that strange exudation which is almost as white as snow, and is lighter than the down on a bird's breast.
There are two main flows of C substrates from plants: plant litter formation with lignocellulose as a main component resistant to microbial breakdown; and the continuous supply of readily available C monomers (root and foliage exudation).
Examples are plant root respiration, the sloughing of dead material from roots, root exudation, and the growth and respiration of microorganisms intimately associated with plant roots.
Key unknowns about primary productivity in the Arctic include root production and turnover and belowground allocation processes in general, including allocation to mycorrhizae and exudation.