English Words Starting With N

• naphtalite

  nounVery Low
  /ˈnæfθəlaɪt/A mineral consisting of naphthalene, a white crystalline hydrocarbon.
• naphtha

  nounC1
  /ˈnæfθə/A flammable liquid hydrocarbon mixture, a highly volatile, light fraction of petroleum or coal tar.
• naphthacene

  nounVery Rare
  /ˈnæfθəsiːn/A polycyclic aromatic hydrocarbon consisting of four fused benzene rings in a linear arrangement.
• naphthalene

  nounC1
  /ˈnafθəliːn/A white, crystalline, aromatic hydrocarbon (C₁₀H₈) obtained from coal tar, used chiefly in the manufacture of dyes, mothballs, and explosives.
• naphthalize

  verb-transitiveExtremely Low / Obsolete Technical
  /ˈnafθəlʌɪz/To treat or impregnate with naphthalene.
• naphthene

  nounC2 (Very Low Frequency)
  /ˈnæfθiːn/Any of a group of cyclic, saturated hydrocarbons found in petroleum, such as cyclopentane or cyclohexane.
• naphthol

  nounC2
  /ˈnafθɒl/A chemical compound derived from naphthalene, existing in two isomeric forms (alpha and beta), used in dyes, pharmaceuticals, and as an antiseptic.
• naphthyl

  adjectivenounC2
  /ˈnafθʌɪl/The univalent hydrocarbon radical C₁₀H₇– derived from naphthalene by the removal of a hydrogen atom; specifically, either of its two isomeric forms (alpha- and beta-naphthyl).
• naphthyl group

  nounC2
  /ˈnæfθaɪl ɡruːp/A univalent radical or functional group derived from naphthalene by the removal of one hydrogen atom.
• napier

  nounLow
  /ˈneɪpɪə/A proper noun primarily referring to the surname of notable individuals, most famously John Napier, the Scottish mathematician who invented logarithms and the 'Napier's Bones' calculating device, or the city of Napier in New Zealand.
• napier grass

  nounLow-frequency / Technical
  /ˈneɪpɪə ɡrɑːs/A tall, fast-growing tropical forage grass (Pennisetum purpureum) used primarily as animal feed and for soil conservation.
• napier's bones

  nounplural-nounC2
  /ˈneɪpɪəz bəʊnz/A physical calculating device invented by John Napier, consisting of numbered rods or bones used to perform multiplication and division mechanically.
• napier-hastings

  nounLow / Highly Specific
  /ˈneɪpɪə ˈheɪstɪŋz/A toponym for a conurbation or geographic entity formed by two neighboring settlements, typically in a Commonwealth context.
• napierian logarithm

  nounLow/Very Low
  /nəˌpɪər.i.ən ˈlɒɡ.ə.rɪð.əm/A logarithm to the base e (approximately 2.71828).
• napkin

  nounB1
  /ˈnæpkɪn/A piece of cloth or paper used at meals to wipe the fingers or lips and to protect garments.
• napkin ring

  nounLow
  /ˈnæp.kɪn ˌrɪŋ/A small ring, often decorative, used to hold a folded or rolled napkin at a dining table.
• naples

  nounB2
  /ˈneɪpəlz/A major port city in southern Italy, on the Bay of Naples.
• naples yellow

  nounLow
  /ˈneɪpəlz ˈjɛləʊ/A specific, historical shade of yellow pigment originally derived from antimony.
• napo

  nounLow
  /ˈnæpəʊ/A colloquial or informal shortening for 'nap' or a brief sleep, primarily used in UK English.
• napoleon

  nounC1
  /nəˈpəʊlɪən/A French emperor (Napoleon Bonaparte) who ruled in the early 19th century and significantly influenced European history.

Showing 281–300 of 3475 words.