different between nutation vs nunation

English

Etymology

1610s, from Latin n?t?ti? (“nodding”), from n?t? (“I nod”). Compare mutation.

Pronunciation

• Rhymes: -e???n

Noun

nutation (countable and uncountable, plural nutations)

1. (physics) A bobbing motion that accompanies the precession of a spinning rigid body.
2. A nodding motion (of the head etc.).
3. (astronomy) Any of several irregularities in the precession of the equinoxes caused by varying torque applied to the Earth by the Sun and the Moon.
4. (botany) The circular motion of the tip of a growing shoot.

Derived terms

• circumnutation
• counternutation
• nutate

Translations

English

Alternative forms

• nunnation

Etymology

nun +? -ation. See nun (“Semitic letter”).

Pronunciation

• (UK, US) IPA^(key): /n??ne??n?/
• IPA^(key): /n??ne???n/

Noun

nunation (countable and uncountable, plural nunations)

1. (linguistics) The use of a suffix ("-n") signifying a lack of syntactical definiteness of the noun or adjective in standard Arabic. It is written as a diacritic over the final letter.

   ??????? (nahr-un, “a river”)

   ??????? (malik-un, “a king”)

2. (linguistics) The use of a suffix ("-n") in dual forms in Akkadian.

Translations

References