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odor

Also known as scent, smell, odour, aroma, malodor, stench, stink, smelling

thumb|upright=1.25|"Smell", from Allegory of the Senses by Jan Brueghel the Elder, [[Museo del Prado ]]

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Image: Jan Brueghel d. O. - Allegorie van de geur.jpg

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Commons category: Odors

Sources (5)

via Wikidata · CC0

~37 min read

Article

33 sections

Contents

Odor physiology
Sense of smell
Smell acuity by age and gender
Smell acuity compared to other animals
Habituation or adaptation
Genetic component
Evolutionary impact
Measuring techniques
Concentration
Olfactometer
Other analytical methods
Intensity
Hedonic tone assessment
FIDOL factors
Categorization
Interpretive dispersion modeling
Sampling from area sources
Direct sampling
Indirect sampling
Health risks
{{anchor|Types of odors}}Types
Study
Pheromones
Advanced technology
Behavioral cues
Use in design
Scent preferences
Effect of perfume on sexual attractiveness
Major histocompatibility complex (MHC) and body odor preferences
Women's scent preferences and the menstrual cycle
See also
References
Further reading

thumb|upright=1.25|"Smell", from Allegory of the Senses by Jan Brueghel the Elder, [[Museo del Prado ]]

An odor (American English) or odour (Commonwealth English; see spelling differences) is a smell or a scent caused by one or more volatilized chemical compounds generally found in low concentrations that humans and many animals can perceive via their olfactory system. While smell can refer to pleasant and unpleasant odors, the terms scent, aroma, and fragrance are usually reserved for pleasant-smelling odors and are frequently used in the food and cosmetic industry to describe floral scents or to refer to perfumes.