TERMIUM Plus®

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

HANDEDNESS [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2014-05-23

English

Subject field(s)
  • Analytical Chemistry
DEF

The property of non-identity of a molecule with its mirror image.

OBS

A molecule in a given configuration or conformation is termed chiral when it is not identical with its mirror image. All asymmetric molecules are chiral; however, not all chiral molecules are asymmetric, since some molecules having axes of rotation are chiral. Chiral and pro-chiral atoms are sites or potential sites, respectively, of stereoisomerism.

OBS

chirality: term and definition standardized by the Internation Organization for Standardization (ISO).

French

Domaine(s)
  • Chimie analytique
DEF

Propriété d'une molécule de ne pas être identique à son image dans un miroir.

OBS

Une molécule dans une configuration ou une conformation donnée est dite chirale lorsqu'elle n'est pas identique à son image dans un miroir. Toutes les molécules asymétriques sont chirales; par contre, toutes les molécules chirales ne sont pas asymétriques puisque certaines molécules ayant des axes de rotation sont chirales. Les atomes chiraux ou prochiraux sont respectivement les sites ou les sites potentiels de stéréoisométrie.

OBS

chiralité : terme et définition normalisés par l'Organisation internationale de normalisation (ISO).

PHR

Chiralité dextrogyre, droite, électronique, gauche, lévogyre, moléculaire, moyenne.

PHR

Dépendant insensible, sensible à la chiralité.

PHR

Chiralité de direction, de rotation, des acides, des molécules, des particules, d'orientation.

PHR

Composant de même chiralité; propagation de la chiralité.

Spanish

Campo(s) temático(s)
  • Química analítica
DEF

Propiedad de una molécula de no ser idéntica con su imagen especular.

OBS

Una molécula en una configuración o conformación dada se llama quiral cuando no es idéntica a su imagen especular. Todas las moléculas asimétricas son quirales; sin embargo, no todas las moléculas quirales son asimétricas, porque algunas que tienen ejes de rotación son quirales. Los átomos quirales y proquirales son sitios o sitios potenciales, respectivamente, de estereoisomerismo.

Save record 1

Record 2 2000-01-25

English

Subject field(s)
  • Special Education
  • Educational Psychology
DEF

Researchers define handedness based on different theoretical assumptions. For instance, some define handedness as (a) the hand that performs faster or more precisely on manual tests, while others define it as (b) the hand that one prefers to use, regardless of performance. Some think that there are two types of handedness: (a) either left or right or non-right, while others think there should be three categories (to include ambidexterity). Some think there are two different kinds of ambidexterity. Some think that handedness should not be lumped into 2 or 3 or 5 categories, but rather measured along a scale of a continuum.

French

Domaine(s)
  • Éducation spéciale
  • Psychologie scolaire
DEF

prédominance de l'une ou de l'autre main (droiterie ou gaucherie).

Spanish

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