different between efficacy vs attraction

English

Etymology

From Old French efficace, from Late Latin effic?cia (“efficacy”), from effic?x (“efficacious”); see efficacious.

Pronunciation

• IPA^(key): /??f.?.k?.si/

Noun

efficacy (usually uncountable, plural efficacies)

1. Ability to produce a desired effect under ideal testing conditions.
   • 2005, Flay et al. Standards of Evidence: Criteria for Efficacy, Effectiveness and Dissemination DOI: 10.1007/s11121-005-5553-y

     Efficacy refers to the beneficial effects of a program or policy under optimal conditions of delivery, whereas effectiveness refers to effects of a program or policy under more real-world conditions.

2. Degree of ability to produce a desired effect.
   • 1996, Moskovich, Patent application PCT/US1996/003658

     Toothbrush with improved efficacy

Synonyms

• efficacity

Related terms

Translations

Further reading

• efficacy in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• efficacy in The Century Dictionary, New York, N.Y.: The Century Co., 1911.

English

Etymology

From Middle English attraccioun, from Old French attraction, from Latin attractio from past participle of attrah? (= ad + trah?), equivalent to attract +? -ion

Pronunciation

• (US, Received Pronunciation) IPA^(key): /??t?æk??n/, [??t?æk?(??)n], [??t???æk?(??)n]
• Rhymes: -æk??n

Noun

attraction (countable and uncountable, plural attractions)

1. The tendency to attract.

2. The feeling of being attracted.

3. (countable) An event, location, or business that has a tendency to draw interest from visitors, and in many cases, local residents.

4. (chess) The sacrifice of pieces in order to expose the enemy king.
5. (linguistics) An error in language production that incorrectly extends a feature from one word in a sentence to another, e.g. when a verb agrees with a noun other than its subject.

Synonyms

• charm
• pull

Antonyms

• repulsion

See also

• orientation

Translations

Anagrams

• tractation

French

Etymology

From Old French attraction, from Latin attracti?.

Pronunciation

Noun

attraction f (plural attractions)

1. attraction (all senses)

Derived terms

• parc d'attractions

Descendants

• ? Hungarian: attrakció

Further reading

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