Chemistry: Definition, Meaning, and Examples

Last Updated on
February 16, 2026

1. Chemistry (noun): The branch of science that studies the composition, structure, properties, and changes of matter.
2. Chemistry (noun): The chemical properties and interactions of a particular substance or group of substances.
3. Chemistry (noun): The natural interaction or connection between people, often in relationships or teamwork.
4. Chemistry (noun): A complex or dynamic interaction between elements or factors, leading to a particular result.

The word "chemistry" is widely used in both scientific and social contexts. It primarily refers to the scientific study of matter and its transformations, but is also used metaphorically to describe human connections and interactions. Below is a detailed breakdown of its meanings, pronunciation, examples, and more.

"Chemistry" Definition: What Does "Chemistry" Mean?

The word "chemistry" conveys meanings related to science, relationships, and dynamic interactions. Below are its primary definitions and contexts.

Definition of "Chemistry": The Scientific Study of Matter

"Chemistry" refers to the branch of science that deals with substances, their properties, and how they react and transform.

Definition of "Chemistry": Chemical Properties and Reactions

It also describes the chemical characteristics of a substance or group of substances, including their behavior in different conditions.

Definition of "Chemistry": Human Connection and Interaction

"Chemistry" is often used to describe a natural bond between individuals, whether in romantic, social, or professional relationships.

Definition of "Chemistry": Complex or Dynamic Interactions

It can also refer to the way different factors, elements, or ideas interact to produce a particular outcome.

Parts of Speech

"Chemistry" functions exclusively as a noun. It names a specific branch of science concerned with substances and their transformations. In its more figurative sense, it also serves as a noun to label the quality of interpersonal compatibility or attraction between individuals.

How to Pronounce "Chemistry"?

To pronounce "chemistry," start with a hard "k" sound for the "ch," making the first syllable "KEM." The second syllable is a short, unstressed "iss" sound. The final syllable is "tree," which rhymes with "see." Putting it all together, you say "KEM-iss-tree," with the emphasis on the first syllable.

Phonetic Pronunciation: /ˈkɛm.ɪ.stri/

Synonyms of "Chemistry": Other Ways to Say "Chemistry"

Depending on the context, "chemistry" has several synonyms.

  • Science of matter
  • Chemical interactions
  • Reactivity
  • Connection
  • Affinity
  • Bond
  • Attraction
  • Synergy
  • Energy
  • Interaction

Antonyms of "Chemistry": Other Ways to Say "Chemistry"

Words that contrast with "chemistry" describe a lack of reaction, connection, or interaction.

  • Incompatibility
  • Disconnection
  • Separation
  • Repulsion
  • Division
  • Indifference
  • Absence of reaction
  • Lack of synergy
  • Disunity
  • Isolation

Examples of "Chemistry" in a Sentence

Here are ten examples demonstrating different uses of "chemistry."

  1. She is studying chemistry to become a pharmaceutical scientist.
  2. The chemistry between hydrogen and oxygen creates water.
  3. The actors had great chemistry, making their performances feel authentic.
  4. Understanding chemistry helps explain how different substances interact.
  5. The team’s chemistry was evident in their seamless collaboration.
  6. He was fascinated by organic chemistry and its applications in medicine.
  7. They had an instant chemistry when they met at the party.
  8. Industrial chemistry plays a crucial role in manufacturing.
  9. Her passion for chemistry led her to develop new materials for construction.
  10. The boardroom lacked any chemistry, making discussions tense and unproductive.

Frequency of Use

The frequency of the word "chemistry" has seen a steady and significant increase from the 18th century to the present day. According to Google's Ngram Viewer, its usage in books rose dramatically as the field of science developed and became a core part of academic curricula. In recent decades, its frequency has been further bolstered by the popular, informal use of the word to describe personal relationships, making it common in both scientific and social contexts.

Variants of "Chemistry"

"Chemistry" has a few related forms depending on usage.

  1. Chemical: The adjective form, describing something related to chemistry.
  2. Chemist: A noun referring to a person who studies or works in chemistry.
  3. Chemically: The adverb form, describing an action related to chemistry.

Related Terms to "Chemistry"

Several words and phrases are closely related to "chemistry" in meaning and usage.

  1. Physics
  2. Biochemistry
  3. Reactions
  4. Molecules
  5. Formulation
  6. Compounds
  7. Bonding
  8. Catalyst
  9. Alchemy
  10. Synthesis

Etymology: History and Origins of "Chemistry"

The word "chemistry" appeared in the 1600s as a modification of the earlier word "alchemy." "Alchemy" came from the Old French "alchimie" and the Medieval Latin "alchymia." These terms were borrowed from the Arabic "al-kīmiyā," which combines the article "al-" (the) with "kīmiyā," a word that likely originated from the Greek "khēmeia," referring to the art of metal-working. The transition from "alchemy" to "chemistry" marked the shift from a mystical pursuit to a rigorous scientific discipline.

Derivatives and Compounds of "Chemistry"

"Chemistry" appears in various compound terms and related expressions.

  1. Organic chemistry: The study of carbon-based compounds.
  2. Inorganic chemistry: The study of non-carbon-based substances.
  3. Physical chemistry: The branch that deals with the physical properties of chemical substances.
  4. Analytical chemistry: The field focused on analyzing substances and their composition.

Common Misspellings of "Chemistry"

Despite being common, "chemistry" is sometimes misspelled. Here are some frequent mistakes:

  1. Chimistry
  2. Chemestry
  3. Kemistry
  4. Chemistrey
  5. Chemisry

10 Idioms Similar to "Chemistry"

Here are ten idioms that convey similar ideas to "chemistry":

  1. Spark a connection
  2. Hit it off
  3. Have a reaction to
  4. Mix well
  5. Blend together
  6. Form a bond
  7. React positively
  8. Click instantly
  9. Work in harmony
  10. Be drawn to each other

10 Common Questions About "Chemistry"

The word "chemistry" is used in both scientific and social contexts, leading to various common questions about its meaning and application. Below are ten frequently asked questions, along with their answers.

1. What does "chemistry" mean in science?

"Chemistry" is the branch of science that studies matter, its properties, reactions, and how substances interact with each other.

2. How is "chemistry" used in relationships?

In relationships, "chemistry" refers to a natural connection, attraction, or bond between two people.

3. What are the major branches of chemistry?

The five main branches of chemistry are organic chemistry, inorganic chemistry, analytical chemistry, physical chemistry, and biochemistry.

4. What is "organic chemistry"?

"Organic chemistry" is the study of carbon-containing compounds and their reactions, which is essential in biology and medicine.

5. What does "bad chemistry" mean?

"Bad chemistry" refers to a lack of connection or compatibility between people, often leading to awkwardness or disagreement.

6. How does "chemistry" affect emotions?

In neuroscience, brain chemistry affects emotions by regulating neurotransmitters like dopamine and serotonin.

7. Can "chemistry" be forced in a relationship?

No, true "chemistry" in a relationship is natural and develops organically rather than being forced.

8. What is "chemical bonding" in chemistry?

"Chemical bonding" refers to the forces that hold atoms together in molecules, including covalent, ionic, and hydrogen bonds.

9. How is "chemistry" important in daily life?

Chemistry is essential in everyday activities like cooking, cleaning, medicine, and even breathing, as it governs all chemical interactions.

10. What is the difference between "chemistry" and "physics"?

"Chemistry" focuses on the composition and reactions of substances, while "physics" studies the fundamental principles governing matter and energy.

Conclusion

"Chemistry" is a versatile word that describes the scientific study of matter, chemical interactions, and human connections. It plays a crucial role in various fields, from scientific research to personal relationships. Understanding its different meanings enhances both scientific literacy and social awareness. Expanding vocabulary with words like "chemistry" improves communication in academic, professional, and everyday contexts.

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