infrared

/ˌɪnfrəˈrɛd/ /ˌɪnfrəˈrɑd/

Meanings

noun

Electromagnetic radiation of a wavelength longer than visible light, but shorter than microwave radiation, having a wavelength between 700 nm and 1 mm

Examples :

"The security camera uses infrared technology to see in the dark. "

adjective

Having the wavelength in the infrared.

Examples :

"The security camera uses infrared technology to see in the dark. "

energy physics science technology

adjective

In the infrared spectrum.

Examples :

"The security camera uses infrared light to see in the dark. "

physics energy technology science electronics

Related Words

technology noun

/tɛkˈnɒlədʒi/ /tɛkˈnɑlədʒi/

The organization of knowledge for practical purposes.

"The new technology in our school's library allows students to access millions of books online. "

having verb

/ˈhævɪŋ/

To possess, own.

"I have a house and a car."

visible adjective

/ˈvɪzəb(ə)l/

Able to be seen.

"When the sun rises, the world becomes visible."

security noun

/sɪˈkjɔːɹəti/ /səˈkjɔɹ.ɪˌti/

The condition of not being threatened, especially physically, psychologically, emotionally, or financially.

"The family prioritized security by installing a strong lock on the front door. "

between noun

/bɪˈtwiːn/ /bəˈtwin/

A kind of needle, shorter than a sharp, with a small rounded eye, used for making fine stitches on heavy fabrics.

"The seamstress used a sturdy between to create a precise, even stitch on the thick upholstery fabric. "

wavelength noun

/ˈweɪvlɛŋ(k)θ/ /ˈweɪvˌlɛŋ(k)θ/

The length of a single cycle of a wave, as measured by the distance between one peak or trough of a wave and the next; it is often designated in physics as λ, and corresponds to the velocity of the wave divided by its frequency.

"The radio waves used in the school's wireless network have a specific wavelength. "

longer adjective

/ˈlɑŋ.ɡɚ/ /ˈlɒŋ.ɡə/ /ˈlɔŋ.ɡɚ/

Having much distance from one terminating point on an object or an area to another terminating point (usually applies to horizontal dimensions; see Usage Notes below).

"The new desk is longer than the old one, so I have more space to work. "

radiation noun

/ɹaɪ.di.ˈaɪ.ʃən/

The shooting forth of anything from a point or surface, like diverging rays of light.

"heat radiation"

microwave noun

/ˈmaɪkɹəʊˌweɪv/

An electromagnetic wave with wavelength between that of infrared light and radio waves.

"The microwave oven uses electromagnetic microwaves to heat food quickly. "

electromagnetic adjective

/ɪˌlɛktroʊmæɡˈnɛtɪk/ /ɪˌlɛktrəʊmæɡˈnɛtɪk/ /iˌlɛktroʊmæɡˈnɛtɪk/ /iˌlɛktrəʊmæɡˈnɛtɪk/

Relating to electromagnetism

"The cell phone emits electromagnetic waves that allow us to communicate. "

shorter adjective

/ˈʃɔːtə/ /ˈʃɔɹtɚ/

Having a small distance from one end or edge to another, either horizontally or vertically.

"My younger brother is shorter than me. "

spectrum noun

/ˈspektɹəm/ /ˈspɛkt(ʃ)ɹəm/

A range; a continuous, infinite, one-dimensional set, possibly bounded by extremes.

"The spectrum of emotions my sister displayed during the argument was wide, from anger to sadness to confusion. "