grignard: meaning, definition, pronunciation and examples
Low (Specialist/C2)Technical/Scientific
Quick answer
What does “grignard” mean?
A highly reactive organomagnesium compound (RMgX) used as a reagent in organic synthesis, particularly in forming carbon-carbon bonds.
Audio
Pronunciation
Definition
Meaning and Definition
A highly reactive organomagnesium compound (RMgX) used as a reagent in organic synthesis, particularly in forming carbon-carbon bonds.
Refers broadly to the class of organomagnesium reagents, or specifically to the reaction (Grignard reaction) in which they are used to add alkyl or aryl groups to carbonyl compounds like aldehydes, ketones, or esters.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Pronunciation differs slightly.
Connotations
Neutral technical term in both varieties.
Frequency
Equally low frequency in both, confined to advanced chemistry education and research.
Grammar
How to Use “grignard” in a Sentence
The Grignard reagent [verbs: reacts with, adds to, attacks] [noun: the carbonyl, the electrophile].[Noun: Synthesis, Preparation] of [compound] [verbs: involves, utilizes] a Grignard reagent.Vocabulary
Collocations
Examples
Examples of “grignard” in a Sentence
noun
British English
- The Grignard must be handled under an inert atmosphere to prevent decomposition.
- His doctoral research focused on the mechanistic study of Grignard additions.
American English
- We need to set up the apparatus for the Grignard before lab starts.
- The yield depends on the purity of your initial Grignard.
Usage
Meaning in Context
Academic
Core term in advanced organic chemistry textbooks, lectures, and research papers.
Everyday
Virtually never used.
Technical
Fundamental term in synthetic organic chemistry laboratories and process descriptions.
Vocabulary
Synonyms of “grignard”
Neutral
Weak
Watch out
Common Mistakes When Using “grignard”
- Pronouncing the 'g' as hard /ɡ/ (like in 'big'). The 'g' is soft. | Using lowercase ('grignard'). | Using it as a common noun without 'reagent' or 'reaction' in introductory contexts.
FAQ
Frequently Asked Questions
No, it is a proper noun (an eponym) and is always capitalized. It functions as a noun adjunct in phrases like 'Grignard reagent'.
Exclusively in chemistry, particularly organic synthesis and organometallic chemistry.
'A Grignard' typically refers to the reagent itself (the organomagnesium compound). 'The Grignard reaction' refers to the overall chemical transformation using that reagent.
The original French pronunciation of Victor Grignard's name is approximately /ɡʁi.ɲaʁ/, influencing the English soft 'g' /ʤ/ or /ʒ/ and often dropping the final 'd'. The American pronunciation /ɡriˈnjɑːr/ is a closer approximation.
A highly reactive organomagnesium compound (RMgX) used as a reagent in organic synthesis, particularly in forming carbon-carbon bonds.
Grignard is usually technical/scientific in register.
Grignard: in British English it is pronounced /ˈɡriːnjɑːr/, and in American English it is pronounced /ɡriˈnjɑːr/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: 'GRIN hard' after you successfully make the tricky Grignard reagent.
Conceptual Metaphor
A molecular 'courier' that delivers a carbon group to a specific destination (the electrophilic carbon).
Practice
Quiz
What is a critical requirement for successfully preparing a Grignard reagent?