French Conversation · Level 11
89 words
French word
infrarouge
Pronunciation
IPA/ɛ̃fʁaʁuʒ/
Meaning
- masculine nouninfrared
Example
La caméra détecte l'infrarouge.
The camera detects infrared.
More examples
La télécommande envoie un signal en infrarouge.
The remote control sends an infrared signal.
Core concept
A band of invisible electromagnetic radiation just beyond visible red, often detected through its heat.
Common phrases
utiliser l'infrarouge
use infrared
détecter l'infrarouge
detect infrared
un signal en infrarouge
an infrared signal
Similar words
lumière: Light that can be seen and brightens the area around it.
chaleur: Heat contained in an object or body and experienced as warmth.
rayon: A narrow line of light extending straight from a point or source.
onde: A wave-like vibration that spreads through space, such as light or sound.
Definition in French
Rayonnement électromagnétique dont la longueur d'onde dépasse celle de la lumière rouge visible et qui n'est pas perçu par l'œil nu.
Word origin
The word combines French rouge with infra-, from Latin infra meaning 'below' or 'beneath', placing the radiation beyond red in the spectrum.
Usage tips
- As a noun, infrarouge is masculine, as in l'infrarouge; as an adjective, it agrees in the plural, as in rayons infrarouges.
Opposites
- lumière visiblevisible lightnoun
- ultravioletultravioletnoun