Dataset · MLC-0109 · [FULL TEXT]

Chemistry terminology

Name: Chemistry terminology
Creator: MLchart
License: https://mlchart.com/terms/

1Description

Chemistry terminology. 13,678 terms with definitions, synonyms, subjects and references. Every term is published as its own page, A to Z.

29 terms carry more than one definition, numbered in the record.

Subjects (8): Chemistry and Human Health (4,907); Analytical Chemistry (3,154); Organic and Biomolecular Chemistry (1,891); Polymer (1,690); Physical and Biophysical Chemistry (1,248); Chemistry and the Environment (496); Inorganic Chemistry (254); Chemical Nomenclature and Structure Representation (11).

2Schema

Table 1. Fields
Field	Type	Description	Example
id	string	Stable MLchart term identifier	MLC-T-CHM-000149
term	string	Headword as published	Acoustic neuroma
field	string	Field of the dataset	Chemistry
definition	string	Definition text; several definitions are numbered	A benign, slow-growing tumor that develops on the vestibulocochlear...
expansions	array	Expanded forms, when the headword is an acronym	International system of units, Système International d'Unités
synonyms	array	Equivalent terms	acoustic neurinoma, vestibular Schwannoma
subject	string	Subject within the field	Chemistry and Human Health
see_also	array	Related terms in the same field	Schwann cell, cranial nerve
references	array	Publications cited for the definition	PAC, 2015, 87, 841. 'IUPAC Glossary of terms used in neurotoxicology...
url	string	Canonical page of the term	https://mlchart.com/terminology/chemistry/acoustic-neuroma/

3Sample records

Sample record

{
  "id": "MLC-T-CHM-000149",
  "term": "Acoustic neuroma",
  "field": "Chemistry",
  "definition": "A benign, slow-growing tumor that develops on the vestibulocochlear nerve, which connects the inner ear to the brain. This tumor originates from Schwann cells that cover the nerve, leading to symptoms such as hearing loss, tinnitus, and balance problems. It is also known as a vestibular schwannoma.",
  "synonyms": [
    "acoustic neurinoma",
    "vestibular Schwannoma"
  ],
  "subject": "Chemistry and Human Health",
  "see_also": [
    "Schwann cell",
    "cranial nerve"
  ],
  "references": [
    "PAC, 2015, 87, 841. 'IUPAC Glossary of terms used in neurotoxicology (IUPAC Recommendations 2015)' on page 843 (https://doi.org/10.1515/pac-2015-0103)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/acoustic-neuroma/"
}

4Browse

Table 2. Terms by initial
Initial	Terms	From	To
A	1,115	α	Azoxy compounds
B	521	β, βnuc, βlg	Bystander suppression
C	1,366	C. I. P. system	Cytotrophoblast
D	730	Δ, Λ	Dystonic reaction
E	816	η	E/Z photoisomerization
F	439	F centres	Fv fragment
G	353	G index	Gut-associated lymphoid tissue
H	535	H-2	Hysteresis
I	760	Ia antigen	Iteroparous species
J	23	Jablonski diagram	j-value
K	103	κ	Kyphosis
L	476	L	Lysosome
M	952	M diad	Myotonia
N	468	NACHT domain-, leucine-rich repeat (LRR)-, and pyrin (N-terminal homology) domain (PYD)-containing protein 3	Nystagmus
O	258	Object traceability	Ozonides
P	1,381	Packed column	Pyrromethenes
Q	86	q2	Quotient method
R	726	R diad	Rydberg transition
S	1,437	σ, π	Szilard-Chalmers effect
T	642	T lymphocyte	Tyrosine kinase
U	101	µ-	Uvula
V	163	V centres	VUV
W	102	Wahlund effect	Wrist drop
X	42	ξ-	X-ray standing waves
Y	18	Y chromosome	Yukawa-Tsuno equation
Z	41	(Z + 1)-average molar mass	Zymosan
0-9	24	¹³C-HMQC-NOESY	90° pulse

Acronyms and abbreviations: 1 entries with expansions.

5Uses

Domain adaptation and fine-tuning of language models
Term extraction, entity recognition and entity linking
Glossary, thesaurus and ontology construction
Search query expansion and synonym mapping
Evaluation sets for definition and question answering tasks

6Citation

@misc{mlchart_terminology_chemistry_2026,
  title     = {Chemistry terminology},
  author    = {MLchart},
  publisher = {MLchart},
  year      = {2026},
  version   = {2026.10},
  url       = {https://mlchart.com/terminology/chemistry/}
}

MLchart. (2026). Chemistry terminology (Version 2026.10) [Data set]. https://mlchart.com/terminology/chemistry/

7Access

The full Chemistry terminology dataset (MLC-0109), 13,678 records. Delivered as JSONL, CSV or Parquet under a commercial licence.

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