odourless

/'oudəlis/
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Definition
  1. Adjective:
    • Having no smell; lacking any detectable odor: Describes a substance, object, or entity that emits no scent or aroma, whether pleasant or unpleasant. It is the state of being completely without smell.
Usage
  • The adjective "odourless" is used to describe things that have no smell. It is a neutral term and can apply to gases, liquids, solids, or environments.
  • It is typically placed before a noun (attributive use) or after a linking verb like "is" or "seems" (predicative use).
  • Spelling Note: "Odourless" is the standard spelling in British English. The American English spelling is "odorless."
Examples
  • Attributive (before a noun):
    • The laboratory uses an odourless solvent for the experiment.
    • Carbon monoxide is a dangerous, odourless gas.
  • Predicative (after a linking verb):
    • The purified water was completely odourless.
    • These cleaning products are advertised as being odourless.
Advanced Usage
  • Scientific and Technical Contexts: Frequently used in chemistry, manufacturing, and product descriptions to indicate the absence of smell as a feature or a safety characteristic.
    • The new insulation material is not only efficient but also odourless.
  • Figurative Use (Rare): Can be used metaphorically to describe something as bland, unremarkable, or lacking distinctive character.
    • His writing style is competent but somewhat odourless, lacking a unique voice.
Variants and Related Words
  • Odorless (adj): The American English spelling of "odourless."
  • Odour (n, UK) / Odor (n, US): The noun meaning a smell or scent.
  • Deodorize (v): To remove or conceal an unpleasant odor.
  • Inodorous (adj): A more formal or literary synonym for "odourless."
Synonyms
  • Scentless: Having no scent.
  • Unscented: Not having a scent added; often used for products like candles or lotions.
  • Inodorous: (Formal) Lacking odor.
Antonyms
  • Odorous: Having a smell, especially a distinctive one.
  • Fragrant: Having a pleasant, sweet smell.
  • Pungent: Having a sharply strong taste or smell.
  • Malodorous: Having an unpleasant smell.
Related Phrases and Compounds
  • Odourless and tasteless: A common phrase used together, especially regarding potentially dangerous substances like certain gases or poisons.
    • Radon is an odourless and tasteless radioactive gas.
Adjective
  1. having no odor
    • odorless gas
    • odorless flowers

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