non-magnetic
/ˌnɒn.mæɡˈnet.ɪk/ (bre, ipa) · /ˌnɑːn.mæɡˈnet̬.ɪk/ (ame, ipa)
non-magnetic — adjective
1. describing a metal or material that contains no iron or steel parts, so a magnet
describing a metal or material that contains no iron or steel parts, so a magnet placed nearby will not pull it.
Hari chose a non-magnetic stainless steel watch because his MRI doctor told him to.
attributive: non-magnetic + noun (material name)
The kitchen sink was non-magnetic, so the children's alphabet fridge letters fell straight off it.
predicative: be + non-magnetic
Dr. Élise uses non-magnetic titanium screws so her patients can have brain scans later.
Eve packed a non-magnetic aluminium toolkit for her work near the hospital's MRI room.
Most Japanese yen coins are non-magnetic, so Kemi could not pick them up with her magnet.
- antimagnetic
more technical; common in watch-making for parts designed to resist magnetism
- paramagnetic
physics-specific; metals only weakly attracted, not the everyday sense
- magnetic
attracted to a magnet (of metals)
- ferromagnetic
scientific antonym; strongly attracted, like iron
文法句型
non-magnetic + noun
be + non-magnetic
用法筆記
Almost always used of metals or alloys. Distinguish from sense 2, which describes any object (not only metal) that a magnet cannot pull.
常見錯誤
2. describing any object that a magnet has no effect on — when you hold a magnet cl
describing any object that a magnet has no effect on — when you hold a magnet close, the object does not move toward it.
Trang tested every coin in her purse; the old copper ones were non-magnetic and the new ones stuck firm.
contrast frame: non-magnetic vs. attracted to a magnet
The pottery beads on Antonia's bracelet were non-magnetic, so the fridge magnet would not hold them up.
predicative: be + non-magnetic (non-metal object)
Christopher's plastic toy cars are non-magnetic, while the small metal ones jump toward the magnet on his desk.
Kian discovered that the gold ring his grandmother left him was non-magnetic, just as real gold should be.
Liang's science teacher showed the class that paper clips are magnetic but rubber bands are non-magnetic.
- unmagnetic
rarer informal form; same meaning, less polished
- magnet-resistant
informal compound; emphasises the design intent rather than a property
- magnetic
attracted to a magnet
- magnetisable
able to become magnetic, even if not currently magnetised
文法句型
non-magnetic + noun
be + non-magnetic
用法筆記
Broader than sense 1 — applies to anything (wood, plastic, glass, ceramics, non-iron metals). Used when the point is the absence of any pull from a magnet, regardless of what the object is made of.