different between boost vs catalyse

English

Etymology

Of unknown origin. The verb is first recorded 1815; the noun, 1825. Compare Scots boost (“to move; drive off; shoo away”), bost, boast (“to threaten; scold”), Middle English boosten, bosten (“to threaten”).

Pronunciation

• IPA^(key): /bu?st/
• Rhymes: -u?st

Noun

boost (plural boosts)

1. A push from behind, as to one who is endeavoring to climb.
2. Something that helps, or adds power or effectiveness; assistance.

3. (physics) A coordinate transformation that changes velocity.
4. (automotive engineering) A positive intake manifold pressure in cars with turbochargers or superchargers.

Derived terms

• battery booster
• booster
• boosterism

Translations

Verb

boost (third-person singular simple present boosts, present participle boosting, simple past and past participle boosted)

1. (transitive) To lift or push from behind (one who is endeavoring to climb); to push up.
2. (transitive, by extension) To help or encourage (something) to increase or improve; to assist in overcoming obstacles.

   This campaign will boost your chances of winning the election.

3. (slang, transitive) To steal.
   • 1978, Harold J. Vetter, Ira J. Silverman, The Nature of Crime (page 296)

     It is not at all unusual or suspicious for a woman to spend a good deal of the day out shopping, and feminine clothing styles often make it relatively easy for a female shoplifter to conceal "boosted" merchandise on her person.

4. (Canada, transitive) To jump-start a vehicle by using cables to connect the battery in a running vehicle to the battery in a vehicle that won't start.
   • 1980, Popular Mechanics (volume 154, number 4, page 152)

     It's easy to boost a dead battery, but this can be dangerous if it's done the wrong way.

   • 2004, "Doug Mitchell", how to connect for boost? (on newsgroup alt.autos.gm)

     If I want to use the charged Montana battery to boost my old Summit where do I connect the negative cable on the good battery of the Montana?
5. (transitive, medicine) To give a booster shot to.
6. (transitive, engineering) To amplify; to signal boost.

Usage notes

• This is a catenative verb that takes the gerund (-ing). See Appendix:English catenative verbs

Derived terms

• overboost
• upboost

Translations

Anagrams

• Boots, boots, botos

English

Verb

catalyse (third-person singular simple present catalyses, present participle catalysing, simple past and past participle catalysed)

1. (chemistry, chiefly British spelling) Alternative spelling of catalyze

Derived terms

• catalyser

Anagrams

• acylates, stay-lace, staylace

French

Pronunciation

Homophone: catalyses

Noun

catalyse f (plural catalyses)

1. (chemistry) catalysis

Verb

catalyse

1. first-person singular present indicative of catalyser
2. third-person singular present indicative of catalyser
3. first-person singular present subjunctive of catalyser
4. third-person singular present subjunctive of catalyser
5. second-person singular imperative of catalyser

Further reading

• “catalyse” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).