Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

naphtha

play
noun naph·tha \ˈnaf-thə, ÷ˈnap-\

Definition of naphtha

  1. 1 :  any of various volatile often flammable liquid hydrocarbon mixtures used chiefly as solvents and diluents

  2. 2 :  petroleum



Origin of naphtha

Latin, from Greek, of Iranian origin; akin to Persian neft naphtha


First Known Use: 1543


NAPHTHA Defined for Kids

naphtha

play
noun naph·tha \ˈnaf-thə, ˈnap-thə\

Definition of naphtha

  1. :  any of various usually flammable liquids prepared from coal or petroleum and used especially to dissolve substances




Medical Dictionary

naphtha

play play
noun naph·tha \ˈnaf-thə, ˈnap-\

Medical Definition of naphtha

  1. :  any of various volatile often flammable liquid hydrocarbon mixtures used chiefly as solvents and diluents




Learn More about naphtha


Seen and Heard

What made you want to look up naphtha? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 11, 2016

the holder of an office

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

100 pounds 196.5 pounds 2.2 pounds 16.96 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ