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nephelometer

Upper-Intermediate (B2)

IPA: /nɛˈfɛləˌmɛtər/

KK: /nɛfələˌmɛtər/

noun
Definition

A device that measures how cloudy a liquid is or how many small particles are in it by analyzing the light that is scattered by the liquid.


Example

The scientist used a nephelometer to analyze the water samples for pollution levels.


Conversation
Sloth A
Have you ever heard of a nephelometer?
Sloth B
No, I haven't. What is it used for?
Sloth A
It's an instrument that measures the cloudiness of liquids by analyzing light.
Sloth B
That sounds interesting! I didn't know such a tool existed.

Synonyms & Antonyms
Synonyms
turbidimeter
photometer
clarimeter
Antonyms
Root Explanation

Nephelometer → It is formed from "nephelo-" (from Greek "nephele", meaning cloud) and "-meter" (from Greek "metron", meaning measure). The word refers to an instrument that measures the amount of cloudiness or turbidity in a liquid.

Memory Tip

Think of 'cloud' ('nephele') and 'measure' ('metron') to remember that a nephelometer is a device that measures cloudiness.

Visually Confused Words
encephalometer
cephalometer
heliometer
pyrheliometer
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