undulation
English
[edit]
Etymology
[edit]From undulate + -ion, or borrowed from Medieval Latin undulātiō; compare French ondulation.
Pronunciation
[edit]Audio (Southern England): (file) - Rhymes: -eɪʃən
Noun
[edit]undulation (countable and uncountable, plural undulations)
- An instance or act of undulating.
- 1929, Robert Dean Frisbee, The Book of Puka-Puka, Eland, published 2019, page 77:
- But the next undulation would raise us, showing the island ablaze in the sunlight, an emerald of dazzling beauty resting lightly on the bosom of the sea.
- A wavy appearance or outline; waviness.
- (music) A tremulous tone produced by a peculiar pressure of the finger on a string.
- A wavelike curve; a smooth and regular rise and fall.
- A wavelike motion of the air; electromagnetic radiation.
- (medicine, dated) A feeling as if of an undulatory motion about the heart.
- (medicine, dated) The distinctive motion of the matter within an abscess on being pressed when it is ripe for opening.
Derived terms
[edit]Translations
[edit]instance or act
a tremulous tone produced by a peculiar pressure of the finger on a string
|
appearance or outline
|
a wavelike curve; a smooth and regular rise and fall
|
wavelike motion
References
[edit]- “undulation”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
Categories:
- English terms suffixed with -ion
- English terms borrowed from Medieval Latin
- English terms derived from Medieval Latin
- English terms with audio pronunciation
- Rhymes:English/eɪʃən
- Rhymes:English/eɪʃən/4 syllables
- English lemmas
- English nouns
- English uncountable nouns
- English countable nouns
- English terms with quotations
- en:Music
- en:Medicine
- English dated terms