different between odour vs piperonal

English

Alternative forms

• odor (American)

Etymology

From Middle English odour, borrowed from Anglo-Norman odour, from Old French odor, from Latin odor. Related to Swedish odör (“bad smell”).

Pronunciation

• (UK) IPA^(key): /???d?/
• (US) IPA^(key): /?o?d??/

Noun

odour (countable and uncountable, plural odours)

1. Alternative form of odor

Derived terms

Anagrams

• Douro

Middle English

Alternative forms

• odowre, odor, odure, odoure, odyr, oudour, odowr, odir, odur

Etymology

Borrowed from Anglo-Norman odour, from Latin odor.

Pronunciation

• IPA^(key): /???du?r/, /??du?r/, /???dur/, /???d?r/

Noun

odour (plural odours)

1. A smell or scent; a nasal sensation (often intrinsic):
   1. A pleasant or appealing smell or scent.
   2. The scent of living matter or substances.
2. (figuratively) A sensation or quality; the feeling produced by something.
3. (rare) The power of discerning scents.

Descendants

• English: odour, odor
• Scots: odour

References

• “??d?ur, n.”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2007, retrieved 2018-09-01.

English

Noun

piperonal (uncountable)

1. (organic chemistry) The methylene ether of 3,4 dihydroxy benzaldehyde; used in perfume to give a floral note