different between pertinacity vs permanence

English

Etymology

From Middle French pertinacité, from Old French pertinace (“obstinate, stubborn”).

Noun

pertinacity (usually uncountable, plural pertinacities)

1. The state or characteristic of being pertinacious.
   • 1846, E.A.Poe, The Black Cat

     With my aversion to this cat, however, its partiality for myself seemed to increase. It followed my footsteps with a pertinacity which it would be difficult to make the reader comprehend.

   • 1851, Nathaniel Hawthorne, The House of Seven Gables, ch. 19:

     Again and again, however, and half a dozen other agains, with the inexorable pertinacity of a child intent upon some object important to itself, did he renew his efforts for admittance.

Synonyms

• pertinaciousness, resolve, stubbornness, tenacity

Translations

Anagrams

• antipyretic

English

Etymology

From Middle French permanence, from Medieval Latin permanentia, from Latin permane? (“I remain; last”).

Pronunciation

• (US) IPA^(key): /?p??m?n?ns/
• (UK) IPA^(key): /?p?m?n?ns/

Noun

permanence (countable and uncountable, plural permanences)

1. The state of being permanent.
2. (physics) The reciprocal of magnetic inductance.

Synonyms

• (state): perdurance, remanence; see also Thesaurus:permanence

Antonyms

• (state): transience
• (state): impermanence

Derived terms

• object permanence
• semipermanence

Related terms

• impermanence
• permanent

Translations

French

Etymology

From Medieval Latin permanentia, from Latin permane? (“I remain; last”).

Pronunciation

• IPA^(key): /p??.ma.n??s/

Noun

permanence f (plural permanences)

1. permanence (state of being permanent)
2. homeroom (classroom or classes)

Derived terms

• en permanence

Related terms

• permanent
• impermanence

Descendants

• ? Romanian: permanen??

Further reading

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