TERMIUM Plus®

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

INCREMENTAL ANGLE [1 record]

Record 1 2015-02-12

English

Subject field(s)
  • Paleontology
CONT

In [a] plane through [the] entire axis, [the incremental angle is the] angle between two straight lines that touch contiguous whorls on opposite sides at part of [the gastropod] shell in question.

CONT

In a coeloconoid shell the incremental angle increases steadily during growth, and in a cyrtoconoid shell it decreases steadily.

French

Domaine(s)
  • Paléontologie
CONT

[Chez un Gastéropode, l'] «angle au sommet du tube coquillier» [...] [est un angle qui est] conditionné par l'accroissement du diamètre du tube, donc par le grossissement de l'animal. Celui-ci étant plus ou moins rapide, la coquille s'accroît en s'évasant si l'angle est grand [...], tandis que dans le cas général ou il est faible, il donne un spire plane ou hélicoïdale.

Spanish

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