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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.
The Lady and the Unicorn, a Flemish tapestry depicting the sense of smell, 1484–1500. Musée national du Moyen Âge, Paris.. Early scientific study of the sense of smell includes the extensive doctoral dissertation of Eleanor Gamble, published in 1898, which compared olfactory to other stimulus modalities, and implied that smell had a lower intensity discrimination.
Odorous steam is released from chimneys due to the treatment process happening in the mill, the smell may vary from vinegar to grease trap. [13] EPA submitted four remedial notices since 2020 and fined the company $9,000 for failing to stop the smell a year later. [14] Mid 2023, odour emissions were still monitored by EPA around the Visy site.
Fragrance bottles. An aroma compound, also known as an odorant, aroma, fragrance or flavoring, is a chemical compound that has a smell or odor.For an individual chemical or class of chemical compounds to impart a smell or fragrance, it must be sufficiently volatile for transmission via the air to the olfactory system in the upper part of the nose.
Articles relating to odor, caused by one or more volatilized chemical compounds that are generally found in low concentrations that humans and animals can perceive by their sense of smell. An odor is also called a "smell" or a "scent", which can refer to either a pleasant or an unpleasant odor.
Floral scent, or flower scent, is composed of all the volatile organic compounds (VOCs), or aroma compounds, emitted by floral tissue (e.g. flower petals).Other names for floral scent include, aroma, fragrance, floral odour or perfume.
English wine aroma terms grouped into categories and subcategories. Olfactory language refers to language associated with the sense of smell.It involves the naming and categorisation of odours by humans according to each odour's perceived source or attributes.
Musk deer of Tibet in an 1835 illustration. Musk is a class of aromatic substances commonly used as base notes in perfumery.They include glandular secretions from animals such as the musk deer, numerous plants emitting similar fragrances, and artificial substances with similar odors.