Water pore
Water pore Wa"ter pore`, 1. (Zo["o]l.) A pore by which the water tubes of various invertebrates open externally. [1913 Webster]

2. (Bot.) One of certain minute pores in the leaves of some plants. They are without true guardian cells, but in other respects closely resemble ordinary stomata. --Goodale. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • water pore — noun a pore that exudes water on the surface or margin of a leaf of higher plants • Syn: ↑hydathode, ↑water stoma • Hypernyms: ↑stoma, ↑stomate, ↑pore * * * noun 1. : a pore by which the …   Useful english dictionary

  • water pore — see hydropore …   Dictionary of invertebrate zoology

  • water stoma — noun a pore that exudes water on the surface or margin of a leaf of higher plants • Syn: ↑hydathode, ↑water pore • Hypernyms: ↑stoma, ↑stomate, ↑pore * * * noun : hydathode …   Useful english dictionary

  • Pore forming toxins — (PFTs) are protein toxins, typically, (but not exclusively) produced by bacteria, such as C.perfringens and S.aureus . They are frequently cytotoxic (i.e., they kill cells) as they create unregulated pores in the membrane of targeted cells.Types… …   Wikipedia

  • Pore water pressure — refers to the pressure of groundwater held within a soil or rock, in gaps between particles (pores). For example, in a high permeability soil, the pressure would be close to hydrostatic in no flow conditions. It is also referred to as tensiometer …   Wikipedia

  • Pore — may refer to:In animal biology and microbiology: * Sweat pore, an anatomical structure of the skin of humans (and other mammals) used for secretion of sweat * Canal pore, an anatomical structure that is part of the lateral line sense system of… …   Wikipedia

  • Water retention curve — is the relationship between the water content, θ, and the soil water potential, ψ. This curve is characteristic for different types of soil, and is also called the soil moisture characteristic.It is used to predict the soil water storage, water… …   Wikipedia

  • Water content — Soil composition by phase: s soil (dry), v void (pores filled with water or air), w water, a air. V is volume, M is mass. Water content or moisture content is the quantity of water contained in a material, such as soil (called soil moisture),… …   Wikipedia

  • Water purification — This article is about large scale, municipal water purification. For portable/emergency water purification, see portable water purification. For industrial water purification, see deionized water. For distilled water, see distilled water. Water… …   Wikipedia

  • pore — pore1 noun a minute opening in the skin or other surface through which gases, liquids, or microscopic particles may pass. Origin ME: from OFr., via L. from Gk poros passage, pore . pore2 verb 1》 (pore over/through) be absorbed in the reading or… …   English new terms dictionary

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