types:
nuage
any collection of particles (e.g., smoke or dust) or gases that is visible
électricité
a physical phenomenon associated with stationary or moving electrons and protons
énergie
(physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs
champ,
champ de forces
the space around a radiating body within which its electromagnetic oscillations can exert force on another similar body not in contact with it
force
(physics) the influence that produces a change in a physical quantity
résonance,
réverbération,
écho
an excited state of a stable particle causing a sharp maximum in the probability of absorption of electromagnetic radiation
pression
the force applied to a unit area of surface; measured in pascals (SI unit) or in dynes (cgs unit)
réflexion
the phenomenon of a propagating wave (light or sound) being thrown back from a surface
transparence
permitting the free passage of electromagnetic radiation
courant de retour
a stretch of turbulent water in a river or the sea caused by one current flowing into or across another current
nuage
a visible mass of water or ice particles suspended at a considerable altitude
aberration,
déviation
an optical phenomenon resulting from the failure of a lens or mirror to produce a good image
aérosol
a cloud of solid or liquid particles in a gas
énergies naturelles
energy derived from sources that do not use up natural resources or harm the environment
attraction
the force by which one object attracts another
aurore boréale
an atmospheric phenomenon consisting of bands of light caused by charged solar particles following the earth's magnetic lines of force
pression du sang
the pressure of the circulating blood against the walls of the blood vessels; results from the systole of the left ventricle of the heart; sometimes measured for a quick evaluation of a person's health
capacité
an electrical phenomenon whereby an electric charge is stored
champignon atomique
a large cloud of rubble and dust shaped like a mushroom and rising into the sky after an explosion (especially of a nuclear bomb)
courant
a flow of electricity through a conductor
condensation
atmospheric moisture that has condensed because of cold
courant,
électricité
energy made available by the flow of electric charge through a conductor
front
(meteorology) the atmospheric phenomenon created at the boundary between two different air masses
orage
a violent weather condition with winds 64-72 knots (11 on the Beaufort scale) and precipitation and thunder and lightning
champ magnétique
the lines of force surrounding a permanent magnet or a moving charged particle
trajectoire
the path followed by an object moving through space
instant
a turning force produced by an object acting at a distance (or a measure of that force)
illusion d'optique
an optical phenomenon that results in a false or deceptive visual impression
polarisation
the phenomenon in which waves of light or other radiation are restricted in direction of vibration
pression d'huile
pressure that keeps oil on the moving parts of an internal-combustion engine
radiation
energy that is radiated or transmitted in the form of rays or waves or particles
résistance
any mechanical force that tends to retard or oppose motion
pluie d'étoiles
a transient shower of meteors when a meteor swarm enters the earth's atmosphere