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ORBITAL [4 records]

Record 1 2018-11-07

English

Subject field(s)
  • Astrochemistry and Cosmochemistry
DEF

Of, belonging to, or of the nature of the orbit ... of a celestial object.

French

Domaine(s)
  • Astrochimie et cosmochimie
DEF

Qui appartient ou qui a rapport à l'orbite d'une planète, d'un satellite[, d'un objet céleste.]

Spanish

Campo(s) temático(s)
  • Astroquímica y cosmoquímica
DEF

Perteneciente o relativo a la órbita [de un cuerpo celeste].

OBS

orbital: La Fundación del Español Urgente (Fundéu BBVA), con el asesoramiento de la Real Academia Española, indica que el término "orbital" está relacionado con las órbitas, por lo que es inapropiado su uso como equivalente de mundial o global en expresiones como "cita orbital" o "marca orbital". [...] el adjetivo orbital no se ha formado a partir de orbe ("esfera terrestre o celeste"), sino de órbita ("curva debida a la acción gravitacional, descrita por un cuerpo celeste que se mueve en torno a otro").

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Record 2 2017-05-11

English

Subject field(s)
  • The Eye
DEF

Pertaining to the orbit.

CONT

Septic thrombosis of the cavernous sinuses most commonly follows staphylococcal infections of the middle third of the face. Orbital symptoms are constant.

French

Domaine(s)
  • Oeil
DEF

Qui a rapport à l'orbite de l'œil.

CONT

La thrombose septique des sinus caverneux compliquant la staphylococcie maligne de la face est rare. Les manifestations orbitaires sont prédominantes.

Spanish

Campo(s) temático(s)
  • Ojo
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Record 3 1996-04-17

English

Subject field(s)
  • Nuclear Physics

French

Domaine(s)
  • Physique nucléaire
DEF

Sphère ou couronne sphérique centrée sur un noyau atomique où il existe une haute probabilité de trouver un certain nombre n d'électrons et ce nombre seulement

Spanish

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Record 4 1993-04-09

English

Subject field(s)
  • Chemistry
  • Atomic Physics
DEF

Wave function of electron in atom, molecule or solid state, computed by any one-electron approximation method.

CONT

"orbital theory": The quantum theory of matter applied to the nature and behavior of the electron, either in single atoms (atomic orbital) or in united atoms (molecular orbital). ... In simple language, the orbital theory considers the electron not as a particle, but as a three-dimensional wave that can exist at several energy levels; its exact location and position in the "shell" (which in most elements is a group of orbitals) cannot be precisely determined, but only predicted by the laws of mathematical probability. The orbital levels and the movement of electrons within them are expressed by wave functions and quantum numbers. The probability that an electron will be found in a given volume (i.e., the square of the one-electron wave function) is called the orbital of that electron, and the shape of the orbital is defined by surfaces of constant probability (i.e. spheres and doughnut-shaped ellipses). The electron orbital, described in terms of probability, is like a cloud, with indefinite boundaries.

French

Domaine(s)
  • Chimie
  • Physique atomique
DEF

«Orbitale atomique» ou «moléculaire» : distribution spatiale d'un électron dans un atome, des électrons de liaison dans une molécule. (Dans la mesure où, en théorie quantique, le carré du module de la fonction d'onde de l'électron représente sa densité de probabilité de localisation, le mot «orbitale» est souvent entendu en un sens synonyme de «fonction d'onde».

OBS

La notion d'orbitale a remplacé celle d'orbite, propre au modèle planétaire de Bohr, lorsque fut reconnue l'impossibilité d'attribuer des trajectoires aux électrons atomiques.

Spanish

Save record 4

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