different between abscission vs dehiscence

English

Etymology

From Latin abscissi?, from abscind? (“I cut, I tear”).

Pronunciation

• (US) IPA^(key): /æb?s?.?n?/, /æb?s?.?n?/

Noun

abscission (countable and uncountable, plural abscissions)

1. The act or process of cutting off.
   • 1673, Jeremy Taylor, Heniaytos: A Course of Sermons for All the Sundays of the Year […]

     Not to be cured without the abscission of a member.

2. (obsolete) The state of being cut off. [Attested only in the mid 17^th century.]
3. (rhetoric) A figure of speech employed when a speaker having begun to say a thing stops abruptly
4. (botany) The natural separation of a part at a predetermined location, such as a leaf at the base of the petiole. [First attested in the late 19^th century.]

Usage notes

Not to be confused with abscision, which only is defined as the first sense.

Related terms

• abscise
• abscisic
• abscisic acid
• abscisin, abscissin

Translations

Anagrams

• abscisions

French

Pronunciation

• IPA^(key): /ap.si.sj??/

Noun

abscission f (plural abscissions)

1. (botany) abscission

Further reading

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

English

Etymology

From New Latin dehiscentia (in Linnaeus), from Latin dehiscentem, present participle of dehisc?. More at dehisce.

Pronunciation

• IPA^(key): /d??h?s?ns/

Noun

dehiscence (countable and uncountable, plural dehiscences)

1. (botany) Opening of an organ by its own means (such as an anther or a seed pod) to release its contents.
2. (medicine) A rupture, as with a surgical wound opening up, often with a flow of serous fluid.
3. (rare) Opening, gaping, in a general sense.

Translations