diaspore

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di·a·spore

(dī′ə-spôr′)

1. A white, pearly hydrous aluminum oxide, AlO(OH), found in bauxite, corundum, and dolomite and used as a refractory and abrasive.

2. Botany See disseminule.

[From Greek diasporā, dispersion, scattering; see Diaspora.]

diaspore

(ˈdaɪəˌspɔː)

1. (Minerals) a white, yellowish, or grey mineral consisting of hydrated aluminium oxide in orthorhombic crystalline form, found in bauxite and corundum. Formula: AlO(OH)

2. (Botany) any propagative part of a plant, esp one that is easily dispersed, such as a spore

[C19: from Greek diaspora a scattering, dispersion; see Diaspora: so named from its dispersion and crackling when highly heated]

di•a•spore

(ˈdaɪ əˌspɔr, -ˌspoʊr)

n.

a hydrous oxide of aluminum, AlO(OH), occurring as a mineral in white to greenish crystals or in foliated masses.

[< French (1801); see Diaspora]

Translations

diásporo

диаспора

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References in periodicals archive ?

For example, in wind dispersal, release height of the diaspore is a key factor of the dispersal equation, with diaspores released from tall plants traveling farther than those released from short plants (Howe & Smallwood, 1982; Willson & Traveset, 2000; Nathan & Katul, 2005; Thomson et al.

Fruit and seed dispersal of Salvia L. (Lamiaceae): a review of the evidence

General Properties - 1) Raw Material Base: Calcined Diaspore 2)Max Service Temp 1600 Degree Centigrade 3)Max Grain Size 0 To 5 Mm 4) Thermal Expansion 0 5 To 0 6% At 1000 Degree Centigrade 5) Chemical Analysis: Al203 56 To 60%.

Whyt Heat K (ace Make). General Properties - 1) raw Material Base: Calcined Diaspore 2)max Service Temp 1600 Degree Centigrade

laxiflora is a secondary forest species with diaspore germination showing no sensitivity to light.

Germination and seedling structure of Ruprechtia laxiflora Meissn. (Polygonaceae)/Germinacao dos diasporos e estrutura das plantulas de Ruprechtia laxiflora Meissn. (Polygonaceae)

Determination of desorption isotherms, latent heat and isosteric heat of pequi diaspore.

Hygroscopicity of 'sucupira-branca (Pterodon emarginatus Vogel) fruits/Higroscopicidade dos frutos de sucupira-branca (Pterodon emarginatus Vogel)

Indigenous diaspore is a high density hard mineral.

Thermal Transformation of Indigenous Diaspore

Most common was diaspore [[alpha]-AlO(OH)], with peaks at 216, 287, 329, 447 (strongest), 497, 665, 794 and 1191 [cm.

From exsolution to 'Gold Sheen': a new variety of corundum

22) "Migration, Remittances, and Diaspore," World Bank, http://www.

Factoring migration into the 'development data revolution'

X-ray diffraction (XRD) analyses show that the Zan laterites consist of kaolinite, diaspore, hematite, goethite, boehmite, anatase, siderite, rutile, and quartz.

Geochemical characteristics of a laterite: the Jurassic Zan deposit, Iran

Gabaccia DR (2003) Emigranti, le diaspore degli Italiani dal medioevo a oggi.

American writers' imaginative empathy for the Risorgimento and emigration

nutritional stress), disturbance patterns, and diaspore availability.

New contributions on flora and vegetation of northeastern Portugal ultramafic outcrops/Nuevas contribuciones a la flora y vegetacion de los macizos ultramaficos del noreste de Portugal

Propagule and diaspore are two other terms for botanical procreative packages.

An antique microscope slide brings the thrill of discovery into a contemporary biology classroom

It consists largely of the minerals gibbsite Al (OH)3, boehmite g-AlO(OH) and diaspore a-AlO(OH), together with the iron oxides goethite and hematite, the clay mineral kaolinite and small amounts of anatase TiO2.