ammoniacal

/,æmou'naiəkəl/
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ammoniacal

The chemist carefully handles the ammoniacal solution under the fume hood.

Definition
  1. Adjective:
    • Pertaining to or containing ammonia: Describes something that relates to, consists of, or has the properties of ammonia (NH₃), a colorless gas with a pungent smell.
    • Similar to ammonia: Describes something that resembles ammonia in character, odor, or chemical behavior.
Usage
  • The adjective "ammoniacal" is used to modify nouns, typically in scientific, industrial, or technical contexts. It describes substances, solutions, odors, or conditions associated with ammonia.
  • It is often used attributively (before a noun) but can also be used predicatively (after a linking verb).
Examples
  • Attributive use (before a noun):
    • The laboratory had a strong ammoniacal odor after the experiment.
    • They tested the ammoniacal solution for its nitrogen content.
  • Predicative use (after a linking verb):
    • The smell from the cleaning product was distinctly ammoniacal.
    • The soil in that area is highly ammoniacal due to fertilizer runoff.
Advanced Usage
  • "ammoniacal nitrogen": A term in chemistry and environmental science referring to nitrogen present in the form of ammonia or ammonium ions.
    • The water quality test measures the level of ammoniacal nitrogen.
  • "ammoniacal liquor": An industrial term for a solution containing ammonia, often a by-product of coal processing.
    • The plant treats the ammoniacal liquor before discharge.
Variants and Related Words
  • Ammoniac (adjective): An older or less common variant with the same meaning as "ammoniacal."
    • The ammoniac smell was overwhelming.
  • Ammonia (noun): The chemical compound (NH₃) itself.
    • Household cleaners often contain ammonia.
  • Ammonium (noun): The positively charged ion (NH₄⁺) derived from ammonia.
    • Ammonium salts are common in fertilizers.
Synonyms
  • Ammoniac: (as an adjective) Pertaining to ammonia.
  • Ammonia-containing: Having ammonia as a component.
Antonyms
  • Non-ammoniacal: Not containing or relating to ammonia.
  • Acidic: Having a low pH (the opposite of the basic/alkaline nature of ammonia solutions).
ammoniacal

The chemist carefully handles the ammoniacal solution under the fume hood.

Adjective
  1. pertaining to or containing or similar to ammonia

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