0%

naphthol

naph·thol
N n

Transcription

    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [naf-thawl, -thol, nap-]
    • /ˈnæf θɔl, -θɒl, ˈnæp-/
    • /nˈafθɒl/
    • US Pronunciation
    • US IPA
    • [naf-thawl, -thol, nap-]
    • /ˈnæf θɔl, -θɒl, ˈnæp-/

Definitions of naphthol word

  • noun naphthol either of two isomeric hydroxyl derivatives, C 1 0 H 7 OH, of naphthalene (alpha-naphthol or 1-naphthol and beta-naphthol or 2-naphthol) white or yellowish crystals, with a phenolic odor, that darken on exposure to light: used chiefly in dyes, drugs, perfumes, and insecticides. 1
  • noun naphthol A crystalline solid derived from naphthalene, used to make antiseptics and dyes. 1
  • noun naphthol a white crystalline solid having two isomeric forms, alpha-naphthol, used in dyes, and beta-naphthol, used in dyes and as an antioxidant. Formula: C10H7OH 0
  • noun naphthol either of two white, crystalline isomeric compounds, C10H7OH, derived from naphthalene and used as antiseptics and in dyes, pharmaceuticals, etc. 0

Information block about the term

Origin of naphthol

First appearance:

before 1840
One of the 33% newest English words
First recorded in 1840-50; naphth- + -ol1

Historical Comparancy

Parts of speech for Naphthol

noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation

naphthol popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 69% of English native speakers know the meaning and use word.
This word is included in each student's vocabulary. Most likely there is at least one movie with this word in the title.

naphthol usage trend in Literature

This diagram is provided by Google Ngram Viewer

Top questions with naphthol

  • what is naphthol?

See also

Matching words

Was this page helpful?
Yes No
Thank you for your feedback! Tell your friends about this page
Tell us why?