different between efficacy vs worthiness

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

Alternative forms

• worthynesse (obsolete)

Etymology

From Middle English worthynesse, equivalent to worthy +? -ness.

Noun

worthiness (countable and uncountable, plural worthinesses)

1. (uncountable) The state or quality of having value or merit.
2. (countable) The result or product of having value or merit.
3. (uncountable) The state or quality of being qualified or eligible.
4. (countable) The result or product of being qualified or eligible.

Anagrams

• shire towns