(redirected from passive diffusion)
Also found in: Dictionary, Thesaurus, Medical, Financial, Encyclopedia.
Related to passive diffusion: passive transport


adj. referring to being inactive. A "passive trustee" is one who has no responsibilities other than to hold title or wait for an event which would activate the trust. "Passive income" for tax purposes includes any income in which there is no effort or active management, and is treated differently for some purposes, such as social security income limitations. It may include stock dividends, trust profits, rents with no management involvement, and interest on bank accounts.

Copyright © 1981-2005 by Gerald N. Hill and Kathleen T. Hill. All Right reserved.

PASSIVE, com. law. All the sums of which one is a debtor. It is used in contradistinction to active. (q.v.) By active debts are understood those which may be employed in furnishing assets to a merchant to pay those which he owes, which are called passive debts.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
References in periodicals archive ?
Overall, N and/or P did not limit periphytic growth on the passive diffusion periphytometers, except at a few streams during select sampling periods (Table 6).
These data from the passive diffusion periphytometers can be alternatively viewed using the Lotic Ecosystem Trophic State Index (LETSI; Matlock et al., 1999), where this index value is the ratio of average chlorophyll-a content on the control treatment (chla[.sub.control]) to that on the N and P treatment (chla[.sub.N & P]):
The tight, or low, permeability of the epithelium in this species is reflected by the longer time required for salt depletion and the lack of evidence for a passive diffusion component in [Cl.sup.-] uptake.
Visulex-P is based on passive diffusion to deliver small molecules such as most generic corticosteroids and immunosuppressive agents whereas Visulex-I, its complementary technology for macromolecule delivery, is based on electroosmosis which employs ocular iontophoresis.
Elemental mercury vapor, such as may be present in the workplace, is readily absorbed through the lung tissue and is then taken up by several tissue types through passive diffusion. In particular are the kidney tissue and RBCs.
The Draeger monitor and the passive diffusion tubes were attached to the clothing in the chest area of the women in the morning, before they started their daily activities in the kitchen.
The passive diffusion of methotrexate across the skin is very limited.
Molecules traverse membranes either by passive diffusion or active transport.

Full browser ?