1. Absence d'identité, de similitude entre des choses, des personnes ; caractère qui les distingue l'une de l'autre ; dissimilitude : Je n'ai pas remarqué de différences entre les deux jumeaux.
2. Ce qui reste lorsque l'on soustrait une quantité d'une autre, résultat d'une soustraction.
3. Ce qui constitue un écart entre deux ou plusieurs personnes ou choses, entre deux grandeurs : Il y a vingt ans de différence entre eux.
Bourse
4. Écart existant, pour un opérateur, entre le cours d'achat d'un titre et sa revente en Bourse.
Expressions avec différence
À la différence de,
par opposition à : Il est très travailleur, à la différence de son frère.
À la différence que, à cette différence près que,
introduisent une remarque, une constatation qui indiquera une opposition, un écart, une dissimilitude.
Faire des différences,
ne pas agir de la même façon avec telle ou telle personne ; les traiter d'une manière inégale.
Faire la différence,
remarquer en quoi quelque chose ou quelqu'un diffère de quelque chose ou de quelqu'un d'autre ; constituer ce qui distingue quelque chose de quelque chose d'analogue.
Le droit à la différence,
le droit à ce qu'un écart par rapport à une référence culturelle, sexuelle, etc., ne soit pas perçu comme une infériorité.
ensemble noté A − B formé par les éléments de A n'appartenant pas à B.
Différence symétrique de deux ensembles A et B,
ensemble formé des éléments de A n'appartenant pas à B et des éléments de B n'appartenant pas à A, c'est-à-dire la réunion des différences A − B et B − A.
Différence tabulaire,
différence de deux valeurs successives d'une colonne dans une table numérique.
Statistique
Différence moyenne,
moyenne arithmétique des différences en valeur absolue des termes d'une série statistique pris deux à deux de toutes les manières possibles.
Citations avec différence
Frédéric Sauser, dit BlaiseCendrars (La Chaux-de-Fonds 1887-Paris 1961) C'est dans ce que les hommes ont de plus commun qu'ils se différencient le plus. Aujourd'hui, Grasset
Marie Jean Hérault de Séchelles (Paris 1759-Paris 1794) Pour bien saisir les différences, il faut refroidir sa tête, et ralentir le mouvement de sa pensée. - Pour bien remarquer les analogies, il faut échauffer sa tête, et accélérer le mouvement de sa pensée. Théorie de l'ambition, Codicille politique et pratique d'un jeune habitant d'Épône
Friedrich, baron von Hardenberg, dit Novalis (Wiederstedt, près de Hettstedt, Saxe, 1772-Weissenfels 1801) L'homme qu'anime l'esprit n'achoppe pas devant les barrières et les différences ; elles le stimulent plutôt. Seul l'homme dénué d'âme en sent le poids et l'entrave. Foi et amour Wer recht viel Geist hat, den hemmen Schranken und Unterschiede nicht ; sie reizen ihn vielmehr. Nur der Geistlose fühlt Last und Hemmung. Glauben und Liebe
Henri Beyle, dit Stendhal (Grenoble 1783-Paris 1842) J'ai assez vécu pour voir que différence engendre haine. Le Rouge et le Noir
Paul Valéry (Sète 1871-Paris 1945) Les hommes se distinguent par ce qu'ils montrent et se ressemblent par ce qu'ils cachent. Suite, Gallimard
Commentaire Cette pensée figure aussi dans Mélange.
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