nano-
/næn.əʊ-/ (bre, ipa) · /næn.oʊ-/ (ame, ipa)
nano- — 字首
1. added to the front of a unit of measurement (such as meter, second, or gram) to
十億分之一
加在單位前表示該單位的十億分之一
added to the front of a unit of measurement (such as meter, second, or gram) to mean one billionth of that unit — for example, a nanometer is one billionth of a meter.
The sensor can detect movement in under a nanosecond, making it incredibly fast.
這款感測器能在不到一奈秒內偵測到動作，速度非常快。
collocation: nanosecond — one billionth of a second
Marta weighed exactly one nanogram of the powder using a special laboratory scale.
Marta 用特殊的實驗室天平精確稱出了一奈克的粉末。
collocation: nanogram — one billionth of a gram
A nanometer is roughly the width of a single strand of human DNA.
一奈米大約是一條人類 DNA 鏈的寬度。
A nanoliter of liquid is far too small to see without a microscope.
一奈升的液體小到無法用肉眼觀察。
The spacecraft antenna requires a signal timed with nanosecond precision.
太空船的天線需要以奈秒級的精度來傳送訊號。
- giga-
means one billion (10⁹) of the unit — the opposite scale
文法句型
nano- + [unit of measurement]
用法筆記
This sense attaches only to standard scientific units of measurement. The resulting word names a quantity one billionth of that unit.
常見錯誤
2. added to nouns to describe something that is extremely small — often, but not al
極小；奈米
加在名詞前表示極微小
added to nouns to describe something that is extremely small — often, but not always, relating to objects made or studied in modern technology at the atomic or molecular level.
Hui's research team developed nano-particles that carry medicine directly to cancer cells.
Hui 的研究團隊開發出能將藥物直接送到癌細胞的奈米粒子。
collocation: nano-particles — extremely small particles
The factory produces a nano-coating that makes fabric waterproof without changing how it feels.
這家工廠生產一種奈米塗層，能讓布料防水且不影響觸感。
Asher studied how nano-materials behave differently from larger pieces of the same substance.
Asher 研究奈米材料為何表現出與同成分大塊材料不同的性質。
Tiny nano-bubbles in the water can clean industrial waste more effectively than chemicals do.
水中的微小奈米氣泡清除工業廢料的效果比化學藥劑更好。
Omar's new tablet uses a nano-SIM card that is much smaller than older versions.
Omar 的新平板電腦使用比舊款小很多的奈米 SIM 卡。
- micro-
means one millionth (10⁻⁶) — larger than nano-, but also used for very small things
- macro-
means large scale — the opposite of extremely small scale
文法句型
nano- + [noun]
常見錯誤
nano- — 構詞成分
1. a combining form used in formal scientific writing, attached to specialised unit
奈
正式科學計量用語，表單位的十億分之一
a combining form used in formal scientific writing, attached to specialised units to mean exactly one billionth (10⁻⁹) of that unit — for instance, a nanoampere is 10⁻⁹ of an ampere.
A nanoampere is one billionth of an ampere, used to measure extremely tiny electric currents.
一奈安培等於十億分之一安培，用來測量極小的電流。
scientific prefix: nanoampere
Felipe measured the weak electric signal in nanoamperes because the current was barely detectable.
Felipe 以奈安培為單位來測量微弱的電訊號，因為電流幾乎測不到。
The capacitor's value was shown as ten nanofarads, meaning ten billionths of a farad.
電容器的數值標示為十奈法拉，也就是十億分之十法拉。
Kabir calculated the spacing between the atoms and wrote the answer in nanometers.
Kabir 計算原子之間的距離，並以奈米為單位寫出答案。
The chemistry lab report listed concentrations in nanomolar units for the rare protein sample.
化學實驗報告以奈莫耳濃度來標示那種稀有蛋白質樣本的含量。
- giga-
means one billion (10⁹) of the unit — the opposite multiplier
文法句型
nano- + [specialised scientific unit]
用法筆記
Primarily appears in formal technical and academic writing. In everyday contexts, the prefix nano- (sense 1 of 'prefix') is preferred.
常見錯誤
2. added to the beginning of a word to show a connection with nanotechnology — the
奈米科技
與奈米科技或原子級操控有關
added to the beginning of a word to show a connection with nanotechnology — the science of building and controlling materials at the atomic or molecular level.
Nano-engineering allows scientists to build tiny machines smaller than a single human cell.
奈米工程學讓科學家建造出比人類細胞還小的微型機器。
field prefix: nano-engineering
The university launched a degree in nano-science combining physics, chemistry, and biology.
這所大學推出了結合物理、化學與生物學的奈米科學學位。
field prefix: nano-science
Amira's start-up focuses on nano-medicine, using microscopic particles to treat heart disease.
Amira 的新創公司專注於奈米醫學，利用微小粒子治療心臟病。
Nano-fabrication methods are used to create tiny electronic parts for medical devices.
奈米製造技術被用來製作醫療器材中的微小電子零件。
The government put more money into nano-research to develop stronger building materials.
政府投入更多資金於奈米研究，以開發更堅固的建築材料。
文法句型
nano- + [noun relating to a field or process]
常見錯誤
3. added to nouns to describe phenomena, structures, or materials that exist or ope
奈米尺度
與奈米尺寸或原子級結構有關
added to nouns to describe phenomena, structures, or materials that exist or operate at a scale of nanometers — usually between one and one hundred nanometers in size.
Nano-structures on the surface of the lotus leaf make water form into round droplets.
蓮葉表面的奈米結構能讓水形成圓形水珠滾落。
compound: nano-structures
Minh examined the nano-scale patterns on a butterfly wing using an electron microscope.
Minh 用電子顯微鏡觀察蝴蝶翅膀上的奈米尺度花紋。
compound: nano-scale patterns
The scientist studied nano-porous materials, which have holes small enough to filter viruses.
那位科學家研究了奈米多孔材料，這種材料的小孔小到能過濾病毒。
Camila's research focuses on how nano-scale interactions between atoms affect the strength of metals.
Camila 的研究重點在於原子之間的奈米尺度互動如何影響金屬的強度。
Nano-roughness on a metal surface changes the way it reflects light.
金屬表面的奈米粗糙度會改變它的反光方式。
- macro-scale
refers to things large enough to be seen without a microscope
文法句型
nano- + [noun]
用法筆記
Distinguish from the nanotechnology sense (combining form, sense 2): this sense describes physical dimensions and scale, not the technology field itself.