magnet
magnet — noun
1. An object made of iron or steel that pulls other iron-containing items toward it
An object made of iron or steel that pulls other iron-containing items toward it using an invisible magnetic force.
The refrigerator door is held shut by a strong <hw>magnet</hw> inside the frame.
collocation: strong magnet
Élise used a <hw>magnet</hw> to pick up iron nails from the garage floor.
magnet + infinitive of purpose
New trains use powerful <hw>magnets</hw> to float above the track and cut friction.
Daichi showed his sister how a <hw>magnet</hw> attracts a paperclip through a sheet of paper.
When you hold a <hw>magnet</hw> near a compass, the needle points toward it instead of north.
- lodestone
a naturally occurring magnetic rock; now rare in everyday speech
- electromagnet
a magnet that works only when electric current passes through it, not a permanent magnet
用法筆記
Countable noun. Frequently used with 'strong', 'powerful', 'permanent', or 'temporary' to describe the type or strength of the magnet.
常見錯誤
2. Someone or something that people find strongly appealing, drawing them in natura
Someone or something that people find strongly appealing, drawing them in naturally and often in large numbers.
The town square became a <hw>magnet</hw> for tourists seeking local crafts and food.
pattern: a magnet for [noun phrase]
Asher, a young freelance journalist, was a <hw>magnet</hw> for corruption stories that the big newspapers avoided covering.
The renovated museum acts as a cultural <hw>magnet</hw> for visitors from nearby countries.
With her warm smile, Nala is a social <hw>magnet</hw> wherever she goes.
The technology fair proved such a <hw>magnet</hw> that organisers opened a second hall for the crowd.
- draw
weaker; simply describes pulling interest rather than a strong inherent attractive power
- attraction
a more neutral term; 'tourist attraction' is standard but less vivid than 'tourist magnet'
- crowd-puller
informal, used especially about events or shows that bring in audiences
文法句型
be + a + magnet + for + noun phrase
act as + a + magnet
用法筆記
Figurative extension of the physical meaning. Usually followed by 'for' (a magnet for trouble / tourists / talent) or less commonly 'to'. The subject is often a place, event, activity, or charismatic person.
常見錯誤
magnet — combining form
1. Relating to the invisible force fields produced by magnets and their direct phys
Relating to the invisible force fields produced by magnets and their direct physical effects, such as pulling metal or storing magnetic energy.
magnetomotive (磁動力的) — describes something that produces or relates to magnetic force
combining form: magneto- + motive
magnetostatics (靜磁學) — the study of magnetic fields that do not change over time
magnetooptics (磁光學) — the field that studies how magnetic fields affect light
magnetocaloric (磁熱效應的) — describes temperature changes that happen when a magnetic field is applied to a material
文法句型
magneto- + noun/adjective root
用法筆記
This is a bound combining form (prefix), not a standalone word. It attaches to noun or adjective roots to form technical terms, mostly in physics and engineering.
2. Indicating a link to magnetic properties of materials, to measurement of magneti
Indicating a link to magnetic properties of materials, to measurement of magnetic fields, or to living organisms' responses to magnetism.
magnetometer (磁力儀) — an instrument used to measure the strength or direction of magnetic fields
combining form: magneto- + meter (measurement)
magnetotaxis (趨磁性) — the movement of an organism in response to a magnetic field
magnetoception (磁感應) — the biological ability of some animals to sense magnetic fields for navigation
magnetobiology (磁生物學) — the study of how magnetic fields affect living organisms
文法句型
magneto- + noun/adjective root
用法筆記
This is a bound combining form (prefix), not a standalone word. Used in technical vocabulary about magnetic measurement and biological responses to magnetism.
3. Describing the way electricity and magnetism interact with each other, especiall
Describing the way electricity and magnetism interact with each other, especially how a magnetic field can create an electric current or voltage.
magnetoelectric (磁電的) — relating to the interaction between magnetic and electric properties in a material
combining form: magneto- + electric
magnetoelectric effect (磁電效應) — the phenomenon where a magnetic field produces an electric polarisation in certain materials
magnetoresistance (磁阻) — the change in a material's electrical resistance when a magnetic field is applied
magnetoimpedance (磁阻抗) — the change in alternating-current impedance caused by a magnetic field
文法句型
magneto- + adjective/noun
用法筆記
This is a bound combining form (prefix), not a standalone word. The term 'magnetoelectric' appears primarily in solid-state physics and materials science literature.
4. Referring to the region of space surrounding a planet where its own magnetic fie
Referring to the region of space surrounding a planet where its own magnetic field controls how electrically charged particles move.
magnetosphere (磁層) — the area around a planet where its magnetic field traps and controls charged particles
combining form: magneto- + sphere (region)
magnetosheath (磁鞘) — the region between a planet's magnetosphere and the surrounding solar wind
magnetopause (磁層頂) — the outer boundary of a planet's magnetosphere, where it meets the solar wind
magnetotail (磁尾) — the long tail-shaped part of a magnetosphere, pointing away from the sun
文法句型
magneto- + noun
用法筆記
This is a bound combining form (prefix), not a standalone word. Most commonly seen in 'magnetosphere' and related terms in planetary science and astronomy.