gradiometer

A scientist uses a gradiometer to measure subtle changes in gravity.

Definition

Noun:
- A device for measuring gradients: A "gradiometer" is an instrument used to measure the gradient (the rate of change) of a physical quantity, such as gravity, magnetic field, or temperature, across a given distance or area.

Usage Examples

Advanced Usage

"gravity gradiometer": a specialized instrument that measures differences in gravitational acceleration over space, often used in mineral exploration or satellite missions.
- The satellite's gravity gradiometer provided high-resolution data on Earth's gravitational field. (A precise tool for geophysical surveys.)
"magnetic gradiometer": a device that measures the spatial variation of magnetic fields, commonly used in geophysics and archaeology.
- The magnetic gradiometer detected a buried pipeline by revealing a magnetic anomaly. (An instrument for locating ferrous objects.)

Variants and Related Words

Gradiometric (adj): relating to or involving the measurement of gradients.
- The gradiometric survey revealed subtle changes in the terrain. (Pertaining to gradient measurements.)
Gradiometry (n): the science or practice of measuring gradients.
- Gradiometry is essential in geophysical prospecting. (The field of gradient measurement.)

Synonyms

Gradient meter: a more general term for any device that measures gradients.
- A gradient meter can be used in various scientific applications. (Another term for gradiometer.)
Differential sensor: a sensor that measures differences between two points.
- The differential sensor acted as a gradiometer in the experiment. (A device detecting spatial changes.)

Idioms and Phrasal Verbs

No idioms or phrasal verbs: "Gradiometer" is a technical term and does not commonly appear in idiomatic expressions or phrasal verbs.

Related Idioms