English Words Starting With N

• nanomachine

  nounLow (Highly specialized technical term)
  /ˈnæn.əʊ.məˌʃiːn/An extremely small machine, typically one whose components are on the scale of nanometers (billionths of a meter), designed to perform specific tasks at the molecular or atomic level.
• nanomaterial

  nounC1+
  /ˌnænəʊməˈtɪəriəl/A material with structural components or features sized between approximately 1 and 100 nanometres, often exhibiting novel properties distinct from its bulk form.
• nanometer

  nounMedium (technical/scientific contexts)
  /ˈnænəˌmiːtə/A unit of length in the metric system equal to one billionth of a meter (10⁻⁹ m).
• nanometre

  nounC2
  /ˈnænəʊˌmiːtə/A unit of length equal to one billionth (10⁻⁹) of a metre.
• nanomole

  nounVery low
  /ˈnanə(ʊ)məʊl/A unit of measurement in chemistry and biochemistry equal to one billionth (10⁻⁹) of a mole, used to quantify very small amounts of a substance, such as molecules, atoms, or ions.
• nanook

  nounVery low
  /ˈnænʊk/A polar bear; used specifically in Canadian Arctic contexts.
• nanoparticle

  nounC1-C2
  /ˈnæn.əʊˌpɑː.tɪ.kəl/A microscopic particle with at least one dimension less than 100 nanometres.
• nanophysics

  nounC2
  /ˌnænəʊˈfɪzɪks/The branch of physics concerned with phenomena and manipulation of matter at the nanometre scale.
• nanoplankton

  nounLow
  /ˌnanəʊˈplaŋ(k)t(ə)n/Microscopic plankton, especially between 2 and 20 micrometers in size.
• nanopublishing

  nounC2
  /ˌnanəʊˈpʌblɪʃɪŋ/A specific, narrow form of online publishing that deals with very short, focused content pieces, often on a single topic or idea.
• nanoscale

  adjectivenounC1/C2
  /ˈnæn.əʊ.skeɪl/Relating to or occurring on a scale of nanometers (one billionth of a meter), typically between 1 and 100 nanometers.
• nanosecond

  nounC2
  /ˈnanə(ʊ)ˌsɛk(ə)nd/One billionth of a second.
• nanotechnology

  nounC1
  /ˌnænəʊtekˈnɒlədʒi/The branch of technology that deals with dimensions and tolerances of less than 100 nanometres, especially the manipulation of individual atoms and molecules.
• nanotesla

  nounC2/Very Rare
  /ˈnænəʊˌtɛslə/A unit of magnetic flux density (B), equal to one billionth (10⁻⁹) of a tesla. Used to measure extremely weak magnetic fields.
• nanotube

  nounLow
  /ˈnanə(ʊ)tjuːb/A microscopic, hollow cylindrical structure made of carbon atoms arranged in a hexagonal lattice.
• nanoworld

  nounC2
  /ˈnænəʊˌwɜːld/The world or realm of things at the nanoscale, typically involving structures or phenomena measured in nanometres (billionths of a metre).
• nano–

  combining-formnounMedium-to-high in scientific/technical contexts; low-to-medium in general discourse.
  /ˈnænəʊ/A combining form meaning extremely small; one billionth (1/1,000,000,000).
• nansei-shoto

  nounLow (C2)
  /ˌnæn.seɪ ˈʃəʊ.təʊ/A chain of islands in the Pacific Ocean, part of Japan, also known as the Ryukyu Islands.
• nansen

  nounLow
  /ˈnænsən/A surname, most famously associated with Fridtjof Nansen, the Norwegian explorer, scientist, diplomat, and humanitarian.
• nansen bottle

  nounVery Low (Technical)
  /ˈnænsən ˌbɒtl/A cylindrical water-sampling device used in oceanography, designed to collect seawater from specific depths while preserving its temperature and chemistry.

Showing 241–260 of 3475 words.