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Catalyst vs I - What's the difference?

catalyst | i |

As a noun catalyst

is (chemistry) a substance that increases the rate of a chemical reaction without being consumed in the process.

As a letter i is

the letter i with an acute accent.

catalyst

English

Noun

(en noun)
  • (chemistry) A substance that increases the rate of a chemical reaction without being consumed in the process.
  • * 1988 , Biochemistry , 3rd edition, page 177
  • Enzymes, the catalysts of biological systems, are remarkable molecular devices that determine the pattern of chemical transformations.
  • Someone or something that encourages progress or change.
  • Economic development and integration are working as a catalyst for peace.
  • * 1978 , Ernest George Schwiebert, Trout , Volume 2
  • It was a morning baptized by my first cup of coffee, freshly brewed over a gravel-bar fire, while they celebrated with the stronger catalyst of sour-mash whiskey in their fishing-vest cups.
  • * 2004 , Michael B. Oren, Six Days of War: June 1967 and the making of the modern Middle East , page 76
  • Israel's fear for the reactor—rather than Egypt's of it—was the greater catalyst for war.
  • * 2006 , The Freedom Writers, with Erin Gruwell, The Freedom Writers Diary: How a Teacher and 150 Teens Used Writing to Change Themselves and the World Around Them , Diary 74
  • Rosa Parks was a true catalyst' for change and she was only one person. Hearing about Rosa Parks and her protest showed me that there is hope for me and all the students in Ms. G's classes to truly be ' catalysts for change.
  • * '>citation
  • (literature) An inciting incident which that sets the successive conflict into motion.
  • (automotive) A catalytic converter.
  • Synonyms

    * (Someone or something that encourages progress or change) stimulus, straw that stirs the drink

    Antonyms

    * (something that encourages change) inhibitor * (something that enhances or accelerates) dampener

    Derived terms

    * catalyse, catalyze * catalysis * catalytic

    See also

    * enzyme

    i

    Translingual

    {{Basic Latin character info, previous=h, next=j, image= (wikipedia i)

    Etymology 1

    Lower case variation of upper case (I), from (etyl) letter .

    Letter

  • The ninth letter of the .
  • The letter i with a tittle or dot above, in both the upper case and the lower case versions.
  • See also

    (Latn-script) Derived symbols * j * — IPA * — Turkish Similar and related symbols * — Greek * — Cyrillic I, used in Belarusian and Ukrainian * — Cyrillic palochka, used in the Caucasian languages * — Arabic (alif) * — Arabic numeral * — Cherokee (IPA: ??) (SAMPA: @~) * — Runic * — IPA

    Etymology 2

    * abbreviation of (imaginary) * abbreviation of (index)

    Symbol

    (Close front unrounded vowel) (head)
  • The imaginary unit; a fixed square root of -1. Graphically, i is shown on the vertical (y-axis) plane.
  • The current flow in a circuit in amperes.
  • A common variable name representing a generic index, especially in loops.
  • close front unrounded vowel.
  • Synonyms
    * j * j

    Etymology 3

    Lower case form of upper case roman numeral I, apparently derived from the shape of a notch scored across a tally stick.

    Alternative forms

    * I,

    Cardinal number

  • cardinal number one.
  • See also

    * Next: ii (2) *

    See also

    {{Letter , page=I , NATO=India , Morse=·· , Character=I9 , Braille=? }} Image:Latin I.png, Capital and lowercase versions of I , in normal and italic type Image:Fraktur letter I.png, Uppercase and lowercase I in Fraktur ----