ligand
noun
Simple meaning
A molecule or moiety that binds to another chemical entity to form a larger complex.
Pronunciation
Say it like this:
liguhndSay the bold part a little louder.
IPA pronunciation (US)
ˈlɪɡənd
This word is pronounced essentially the same in American and British English, so one transcription covers both.
IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.
Definition
Everyday modern meanings first, grouped by part of speech.
noun
inorganic chemistryorganic chemistryphysical chemistry
A molecule or moiety (ion, functional group, or radical) that binds to another chemical entity to form a larger complex; as, especially
coordination chemistry
A substance (an atom or molecule or radical or ion) that forms a complex around a central atom
coordination chemistry
Such an entity that binds to a central metal atom to form a coordination complex.
biochemistryphysiologypharmacologymedicine
Such an entity that forms a complex with a biomolecule to serve a biological purpose.
Word at a Glance
- Difficulty
- B2 · Upper Intermediate (estimated)
- Frequency
- Moderately Common
- Formality
- Technical
- Typical Use
- Varies by meaning
Word Aura™
How this word commonly comes across.
Aura for this meaning
This meaning: (inorganic chemistry, organic chemistry, physical chemistry) A molecule or moiety (ion, functional group, or radical) that binds to another chemical entity to form a larger complex; as, especially
Used this way, ligand is a specialist word that usually carries little praise or criticism of its own. This is a scientific use: it names something precisely within a field of study, so it appears in research and teaching more than in conversation.
- Emotional tone
- Neutral
- Formality
- Specialist/technical
- Intensity
- Not strongly marked
- How common
- Specialized
- Connotation
- Clinical and technical
- Usage feel
- Technical and specialized
Where it naturally appears
- Science
- Academic writing
- Technical/specialist writing
Usage note
In general conversation this sense usually needs explaining — outside its field, people reach for a plainer word.
Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.
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Common Patterns and Combinations
How this word naturally appears with others.
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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.