Antonyms
Etymology

1. refractive

adjective. ['rəˈfræktɪv'] of or relating to or capable of refraction.

Antonyms

  • lawful

Etymology

  • -ive (English)
  • -if (Anglo-Norman)
  • refract (English)

Featured Games

Words that Rhyme with Refractive Index

Example sentences of the word refractive-index


1. Noun Phrase
The refractive index of the medium is proportional to the change in the angle of the light rays.

2. Noun Phrase
Luster and refractive index measure that light play.

3. Noun Phrase
If a gemstone has the same refractive index, the stone will disappear when placed in the matching oil.

4. Noun Phrase
Refractometers are typically used to determine the refractive index of a liquid sample.

2. refractive

adjective. ['rəˈfræktɪv'] capable of changing the direction (of a light or sound wave).

Synonyms

  • deflective

Antonyms

  • direct
  • uncoiled

Etymology

  • -ive (English)
  • -if (Anglo-Norman)
  • refract (English)

3. index

noun. ['ˈɪndɛks'] a numerical scale used to compare variables with one another or with some reference number.

Synonyms

  • ordered series
  • margin of safety
  • safety margin
  • margin of error
  • graduated table
  • scale of measurement

Antonyms

  • nonpartisan
  • intense
  • immoderation
  • moderation

Etymology

  • index (Latin)
  • indico (Latin)

4. index

verb. ['ˈɪndɛks'] list in an index.

Synonyms

  • cross-index

Antonyms

  • dullness
  • angularity

Etymology

  • index (Latin)
  • indico (Latin)

5. index

noun. ['ˈɪndɛks'] a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time.

Synonyms

  • short account
  • stock market index
  • index number
  • leading indicator
  • fact
  • body mass index
  • price index
  • BMI
  • stock index
  • business index
  • indicant
  • price level

Antonyms

  • ineffectiveness
  • unpersuasiveness
  • powerless
  • uninterestingness

Etymology

  • index (Latin)
  • indico (Latin)

6. index

noun. ['ˈɪndɛks'] a mathematical notation indicating the number of times a quantity is multiplied by itself.

Synonyms

  • power
  • exponent
  • mathematical notation
  • degree
  • logarithm

Antonyms

  • inaptitude
  • inability
  • unable
  • incapacity

Etymology

  • index (Latin)
  • indico (Latin)

7. index

verb. ['ˈɪndɛks'] provide with an index.

Synonyms

  • provide
  • render
  • furnish

Antonyms

  • dissuade
  • disorient
  • deregulate
  • sharpness

Etymology

  • index (Latin)
  • indico (Latin)

8. index

noun. ['ˈɪndɛks'] an alphabetical listing of names and topics along with page numbers where they are discussed.

Synonyms

  • concordance
  • end matter
  • list
  • listing
  • back matter

Antonyms

  • disagreement
  • disorder
  • stand still
  • powerful

Etymology

  • index (Latin)
  • indico (Latin)

9. index

noun. ['ˈɪndɛks'] the finger next to the thumb.

Synonyms

  • forefinger
  • finger

Antonyms

  • specific
  • general
  • unreality

Etymology

  • index (Latin)
  • indico (Latin)

10. index

verb. ['ˈɪndɛks'] adjust through indexation.

Synonyms

  • influence
  • determine
  • shape
  • regulate

Antonyms

  • mild
  • high
  • dispose
  • indispose

Etymology

  • index (Latin)
  • indico (Latin)
Synonym.com