Smell Definition & Meaning - Merriam-Webster
网页smell, scent, odor, aroma mean the quality that makes a thing perceptible to the olfactory sense. smell implies solely the sensation without suggestion of quality or character. scent applies to the characteristic smell given off by a substance, an animal, or a plant.
Sense of smell - Wikipedia
网页The sense of smell, or olfaction, [nb 1] is the special sense through which smells (or odors) are perceived. [2] The sense of smell has many functions, including detecting desirable foods, hazards, and pheromones, and plays a role in taste.
SMELL Definition & Meaning | Dictionary.com
网页Smell definition: to perceive the odor or scent of through the nose by means of the olfactory nerves; inhale the odor of. See examples of SMELL used in a sentence.
Smell - Definition, Meaning & Synonyms - Vocabulary.com
网页4 天之前 · Smell is one of your five senses—the one you use your nose for. Dogs have such a sharp sense of smell that they can sniff out things like explosives and drugs. Your sense of smell gives you important information, like "this milk is sour," or "I need a shower."
Understanding Smell - Ask A Biologist
网页2017年9月14日 · Smell isn’t just important for making you hungry whenever food is around. Smell is an important part of our survival. When you smell food, an animal, or even an object, you can often use that information to tell you what that thing is …
Brain's Olfactory System: Neural Pathways of Smell
网页2024年9月30日 · The ethereal dance of scent molecules, carried on invisible currents, weaves a tapestry of sensory delight, as the brain’s olfactory system unravels the mysteries of smell, guiding us through a world rich in aromatic wonders. From the comforting scent of freshly baked bread to the invigorating aroma of a pine forest, our sense of smell plays ...
Another step towards decoding smell: Investigating the neuronal ...
网页20 小时之前 · Individual nerve cells in the brain recognize odors and react specifically to the smell, the image and the written word of an object, for example a banana. The results of this study close a long ...
Smell | Olfaction, Odor Perception, Aroma | Britannica
网页2024年9月7日 · Smell, the detection and identification by sensory organs of airborne chemicals. The concept of smell, as it applies to humans, becomes less distinct when invertebrates and lower vertebrates (fish and amphibians) are considered, because many lower animals detect chemicals in the environment by.
What’s that smell—and how’d you know? | Popular Science
网页2024年9月7日 · What’s that smell—and how’d you know? It’s clear that genes, receptors and neurons all play a role in detecting odors. But much of how we make sense of what we sniff remains mysterious. A...
Odor - Wikipedia
网页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.