spectrometer

/spɛkˈtrɑmɪtər/ /spɛkˈtrɒmɪtər/

Meanings

noun

An optical instrument for measuring the absorption of light by chemical substances; typically it will plot a graph of absorption versus wavelength or frequency, and the patterns produced are used to identify the substances present, and their internal structure.

Examples :

"The chemistry student used a spectrometer to analyze the unknown liquid, identifying its ingredients by the unique pattern of light absorption it produced. "

Related Words

ingredients noun

/ɪnˈɡriːdiənts/ /ɪnˈɡriːdɪənts/

One of the substances present in a mixture, especially food.

"The cake recipe lists flour, sugar, and eggs as the main ingredients. "

instrument noun

/ˈɪnstɹəmənt/

A device used to produce music.

"The violinist was a master of her instrument."

structure noun

/ˈstɹʌktʃə(ɹ)/ /ˈstɹʌktʃɚ/

A cohesive whole built up of distinct parts.

"The birds had built an amazing structure out of sticks and various discarded items."

chemistry noun

/ˈkɛm.ɪ.stɹi/

The branch of natural science that deals with the composition and constitution of substances and the changes that they undergo as a consequence of alterations in the constitution of their molecules.

"The chemistry class focused on how different elements combine to form new substances. "

frequency noun

/ˈfɹiːkwənsi/

The rate of occurrence of anything; the relationship between incidence and time period.

"The frequency of bus service has been improved from one every 15 to one every 12 minutes."

typically adverb

/ˈtɪp.ɪ.kl.i/

In a typical or common manner.

"My sister, typically, wakes up early for school. "

substances noun

/ˈsʌbstənsɪz/ /ˈsʌbstənzɪz/

Physical matter; material.

"The science class experimented with different substances to see how they reacted to heat. "

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. "

measuring verb

/ˈmɛʒ.ə.ɹɪŋ/ /ˈmɛʒ.ɚ.ɪŋ/

To ascertain the quantity of a unit of material via calculated comparison with respect to a standard.

"We measured the temperature with a thermometer. You should measure the angle with a spirit level."

identifying verb

/aɪˈdɛntɪˌfaɪɪŋ/ /əˈdɛntɪˌfaɪɪŋ/

To establish the identity of someone or something.

"The detective is identifying the suspect in the security footage. "

chemical noun

/ˈkɛmɪkəl/

Any specific chemical element or chemical compound or alloy.

"The scientist studied the chemical composition of the soil sample. "

absorption noun

/əbˈsɔːp.ʃn̩/ /æbˈsɔɹp.ʃn̩/

The act or process of absorbing or of being absorbed as,

"The absorption of new information during the lecture was crucial for passing the exam. "