1. Qui est d'une couleur analogue à celle de la neige, du lait, résultant de la combinaison de toutes les couleurs du spectre solaire : Un vieillard à cheveux blancs.
10. Nom donné à des produits chimiques très divers. (L'oxyde de zinc est dénommé blanc de zinc, le sous-nitrate de bismuth blanc de bismuth, blanc de fard ; le sulfate de baryum, blanc de baryte, blanc fixe, etc.)
Commerce
11. Ensemble des articles de linge de maison, qu'ils soient blancs ou de couleur.
Cuisine
12. Partie charnue d'une volaille qui tient à la carcasse.
Droit
13. Espace laissé dans le texte d'un acte, et susceptible d'être rempli plus tard. (La loi interdit expressément de laisser des blancs dans certains actes.)
Imprimerie
14. Chacun des éléments non imprimants (espaces, demi-cadratins, cadratins, cadrats, interlignes, lingots).
Informatique
15. Caractère représenté typographiquement par un espace non rempli, et servant de séparateur visuel entre divers éléments d'une expression.
Métallurgie
16. Température à laquelle un métal chauffé prend la couleur blanche (environ 1 300 °C).
Numismatique
17. Nom général donné à des monnaies françaises d'argent frappées du xive au xvie s., de titres et de types divers.
Pêche
18. Poisson appartenant à la famille des cyprinidés. (Les brèmes, les gardons, les rotengles.)
Textiles
19. Caractéristique du degré de blancheur conféré aux fils et aux étoffes par le traitement de blanchiment.
20. Terme général par lequel on désigne les étoffes en fil ou en coton.
blanche
nom féminin
1. Eau-de-vie non colorée.
2.Populaire. Héroïne (stupéfiant).
3. Figure de note égale à la moitié d'une ronde.
4. Bière blanche.
Expressions avec blanc
blanc, blanche
adjectif
Arme blanche,
arme d'acier (sabre, épée, baïonnette, etc.), par opposition à arme à feu.
signal sonore dont toutes les fréquences audibles (de 20 à 20 000 Hz) sont représentées avec la même puissance.
Bulletin blanc,
bulletin de vote ne portant aucun nom ni aucune mention.
Carré, rectangle blanc,
anciennement, en France, signe indiquant qu'une émission de télévision était déconseillée aux enfants ou aux personnes sensibles.
En bois blanc,
se dit des meubles légers, en sapin, en peuplier ou en hêtre.
Examen blanc,
examen que l'on passe avant l'épreuve officielle, à titre de préparation : Bac blanc.
Lumière blanche,
lumière résultant de la combinaison de toutes les couleurs du spectre solaire.
Marche blanche,
marche collective silencieuse organisée à la suite d’un fait divers tragique.
Mariage blanc,
mariage non consommé.
Nuit blanche,
que l'on passe sans dormir.
Plan blanc,
ensemble de mesures mises en place dans les établissements de santé, publics et privés, confrontés à une situation exceptionnelle (afflux massif de victimes lors d’une catastrophe, d’une épidémie, d’un attentat), permettant le déploiement rapide de moyens humains et matériels adaptés.
Vin blanc,
vin peu coloré, jaune très pâle à jaune ambré.
Voix blanche,
aux intonations effacées, sans timbre.
Commerce
Produits blancs,
ensemble des appareils électroménagers équipant la cuisine (réfrigérateur, cuisinière, lave-vaisselle, lave-linge, etc.). [S'oppose à produits bruns.]
Cuisine
Fond blanc,
préparation culinaire utilisée comme mouillement ou pour les sauces blanches.
Sauce blanche,
sauce constituée d'un fond blanc lié avec un roux blanc.
Métallurgie
Fonte blanche,
fonte à cassure entièrement blanche dont le carbone est entièrement combiné au fer sous forme de carbure.
Métrique
Vers blanc,
vers non rimé.
Neurologie
Substance blanche,
tissus nerveux formé de fibres myélinisées ou non, qui constituent les axones des cellules nerveuses. [S'oppose à substance grise.]
Technique
Salle blanche,
enceinte close dont l'atmosphère est contrôlée pour ce qui concerne les poussières, la température, l'humidité, la pression et le mouvement de l'air.
Verrerie
Verre blanc,
verre à teinte imperceptible à l'œil, utilisé notamment en parfumerie et en pharmacie.
blanc, blanche
nom
Vieilli. Petit Blanc,
appellation péjorative désignant les Blancs de maigres ressources dans certaines régions du monde (sud des États-Unis par exemple).
blanc
adverbe
Il gèle blanc,
il y a de la gelée blanche.
Voter blanc,
déposer un bulletin blanc dans l'urne électorale.
blanc
nom masculin
Chauffer quelqu'un à blanc,
le soumettre à une préparation intensive en vue d'une épreuve.
Dire tantôt blanc, tantôt noir,
changer sans arrêt d'avis.
En blanc,
se dit d'un document où on a laissé la place pour écrire quelque chose.
Regarder quelqu'un dans le blanc des yeux,
le regarder en face et avec fermeté.
Saigner quelqu'un à blanc,
l'égorger, le vider de tout son sang ; lui prendre ses dernières ressources.
Signer en blanc,
apposer sa signature sur un papier en laissant la place pour écrire quelque chose dont on assume par avance la responsabilité.
Anatomie
Blanc de l'œil,
la portion visible de la sclérotique.
Botanique
Blanc de champignon,
mycélium utilisé pour ensemencer les cultures, en particulier celle du champignon de couche.
Céramique
Blanc de Chine,
porcelaine à couverte épaisse et lisse, variant du blanc bleuté aux tons rosés ou ivoire, fabriquée à Dehua, au Fujian, dès le milieu du xviie s. (Les imitations créées à Meissen et à Saint-Cloud sont aussi appelées « blanc de Chine ».)
Chemin de fer
Blanc lunaire,
éclat blanc légèrement bleuté, caractérisant le signal lumineux qui donne la voie libre sur les voies de service.
Cuisine
Blanc de cuisson,
mélange d'eau, de farine et de jus de citron dans lequel on fait cuire certains aliments (abats, légumes) pour leur conserver leur couleur blanche.
Cuisson à blanc,
cuisson d'une croûte non garnie.
Finances
Blanc (budgétaire),
fascicule annexé au projet de loi de finances présentant les budgets de programme des ministères (leur couverture est blanche).
Histoire
Blanc national,
couleur de la France, sous l'Ancien Régime.
Imprimerie
Feuille en blanc,
feuille imprimée d'un seul côté.
Médecine vétérinaire
Boire dans son blanc,
en parlant d'un cheval, avoir les lèvres envahies totalement ou en grande partie par le ladre.
Métallurgie
À blanc,
se dit du décapage d'une pièce par sablage, tel que le métal soit mis à nu.
Militaire
Tir à blanc,
tir d'une arme ou d'une bouche à feu exécuté avec des cartouches (dites à blanc) dont le projectile spécial se désagrège à la sortie du canon de l'arme. (Ce tir est utilisé dans un but d'instruction.)
Mobilier et décoration
Siège en blanc,
en tapisserie, siège garni, mais non recouvert.
Peintures et vernis
Blanc d'Espagne ou blanc de Meudon,
variété de carbonate de calcium naturel extrêmement pure, utilisée dans des produits d'entretien et dans de nombreuses peintures.
Blanc de chaux,
dissolution de chaux éteinte dans de l'eau, qui sert à badigeonner, à blanchir.
Sylviculture
Coupe à blanc,
exploitation portant sur la totalité d'un peuplement.
albumine riche en eau qui entoure le jaune de l'œuf et qui devient blanche à la cuisson.
Difficultés de blanc
ORTHOGRAPHE
Blanc, Blanche n. Prend une majuscule quand il désigne une personne à la peau blanche (les Blancs d'Afrique du Sud), un monarchiste de l'Ouest (vendéen, breton, etc.) pendant la Révolution française (la guerre de harcèlement que les Blancs menaient contre les Bleus) ou un adversaire des bolcheviques en Russie après 1917 (un colonel de l'armée des Blancs prisonnier des Rouges).
EMPLOI
Blanc comme... On dit : blanc comme l'ivoire, comme la neige (blanc comme neige, au figuré), mais blanc comme un cygne, comme un lis, comme un linge.
Citations avec blanc
Henri Bernardin de Saint-Pierre (Le Havre 1737-Éragny-sur-Oise 1814) […] Les teintes inimitables du blanc qui fuient à perte de vue dans le blanc. Études de la nature
Claude Lévi-Strauss (Bruxelles 1908-Paris 2009) Les blancs proclamaient que les Indiens étaient des bêtes, les seconds se contentaient de soupçonner les premiers d'être des dieux. À ignorance égale, le dernier procédé était certes plus digne d'hommes. Tristes Tropiques, Plon
Eugène Scribe (Paris 1791-Paris 1861) Académie française, 1834 Plus blanche que la blanche hermine. Les Huguenots (musique de Meyerbeer) I, 2
Lequel de ces mots ne doit pas prendre d'accent circonflexe sur le « o » ?
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