TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

STRUCTURE PRISMATIQUE [3 records]

Record 1 2010-09-09

English

Subject field(s)
  • Petrography
  • Vulcanology and Seismology
DEF

A structure characterized by parallel prismatic columns, polygonal in cross section, generally occurring in basaltic flows, as the result of contraction during cooling.

French

Domaine(s)
  • Pétrographie
  • Volcanologie et sismologie
DEF

[Structure que présentent des] agrégats à arêtes nettement anguleuses et/ou faces planes, allongés suivant une orientation préférentielle verticale.

CONT

Certaines laves, en particulier les basaltes, prennent souvent, en se solidifiant, une structure prismée, les joints étant normalement perpendiculaires aux surfaces de refroidissement.

Spanish

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Record 2 2007-08-17

English

Subject field(s)
  • Soil Science
DEF

A soil structural unit whereby soil particles are arranged around a vertical axis and bounded by relatively flat faces.

OBS

The top of the prisms are also relatively flat. Prismatic structure is often associated with subsoil.

French

Domaine(s)
  • Science du sol
DEF

Structure fragmentaire caractérisée par la présence d'agrégats en forme de prismes verticaux à arêtes plus ou moins vives, pouvant atteindre 15 à 20 cm, sur la plus grande longueur.

OBS

Le sol est divisé par un système prédominant de fissures verticales, le polyèdre élémentaire s'allonge verticalement et il est presque toujours d'assez grande taille; les faces sont planes et lisses et les arêtes fines. C'est généralement la structure des sols argileux, lourds, asphyxiants, des sols hydromorphes et des horizons moyens et inférieurs des sols salés [...]

Spanish

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Record 3 1975-03-11

English

Subject field(s)
  • Applications of Concrete
  • Structural Framework
OBS

folded-plate concrete construction. This is also known as prismatic-shell and hipped-plate. [It] consists (...) of several thin plates intersecting along their edges and diaphragms normal to the edges.

French

Domaine(s)
  • Utilisation du béton
  • Charpentes
OBS

--structure portante composée de panneaux formant un ensemble prismatique ou pyramidal.

Spanish

Save record 3

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