cyanamide

Thân thiện

A farmer spreads cyanamide on his field.

Definition

1. Noun:
   • A compound used as a fertilizer and as a source of nitrogen compounds: Cyanamide is a chemical substance primarily employed in agriculture to provide nitrogen to plants.
   • A weak soluble dibasic acid (the parent acid of cyanamide salts): In chemistry, cyanamide also refers to the specific acidic form of this compound, which is the basis for forming various salts.

Usage Examples

• Noun:
  • Farmers applied cyanamide to the vineyard to promote uniform budbreak.
  • The laboratory synthesized several derivatives from the basic cyanamide structure.
  • As a cyanamide, it provides a readily available source of nitrogen for crop growth.

Advanced Usage

• Chemical Context: In technical writing, "cyanamide" precisely denotes the molecule with the formula . Its calcium salt is commonly called "calcium cyanamide."
  • The reaction mechanism involves the nucleophilic attack of the cyanamide ion.

Variants and Related Words

• Cyanamid: An alternative, less common spelling for the compound.
• Calcium Cyanamide (noun): A specific and widely used salt of cyanamide, directly applied as a fertilizer.
  • Calcium cyanamide is also used as a herbicide and pesticide.

Synonyms

• Fertilizer compound: (General category)
• Nitrogen source: (Functional description)

Notes on Meaning

The two primary definitions are closely related in chemistry. The first definition refers to the compound's general use and properties, while the second definition specifies its chemical nature as a particular type of acid. In agricultural contexts, it is almost always the compound or its salts that are being discussed.

Học thuật

Noun

1. a compound used as a fertilizer and as a source of nitrogen compounds
2. a weak soluble dibasic acid (the parent acid of cyanamide salts)

Từ đồng nghĩa

• calcium-cyanamide
• cyanamid