different between permanence vs prolongation

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).

English

Etymology

Borrowed from Old French prolongation, from Late Latin pr?long?ti?, from pr?long?tus, perfect passive participle of Latin pr?long?, from pr? + longus.

Noun

prolongation (countable and uncountable, plural prolongations)

1. The act of prolonging.
2. That which has been prolonged; an extension.

Synonyms

• (act of prolonging: extending in space): stretching
• (act of prolonging: extending the duration of): continuance, prolongment, prorogation, protraction
• (act of prolonging: putting off to a distant time): deferral, procrastination; see also Thesaurus:deferment

Translations

References

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

French

Etymology

From Old French prolongation, borrowed from Late Latin pr?long?ti?, pr?long?ti?nem, from pr?long?tus, perfect passive participle of Latin pr?long?, from pr? + longus.

Pronunciation

• IPA^(key): /p??.l??.?a.sj??/

Noun

prolongation f (plural prolongations)

1. extension
2. (sports) overtime, extra time

Related terms

• prolonger

Further reading

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

Old French

Etymology

Borrowed from Late Latin pr?long?ti?, pr?long?ti?nem, from pr?long?tus, perfect passive participle of Latin pr?long?, from pr? + longus.

Noun

prolongation f (oblique plural prolongations, nominative singular prolongation, nominative plural prolongations)

1. prolongation