What does "elementary" mean?

1. (basic or fundamental) relating to the most basic or important parts of a subject. 2. (very simple) very easy to do or understand. 3. (relating to primary school) relating to the first years of a child's education. 4. (scientific building blocks) describing the simplest parts of matter that cannot be broken down further.

elementary

adj.

US //ˌɛɫəˈmɛntɝɹi// UK //ˌɛlɪmˈɛntəɹi// el·e·men·tary

1 basic or fundamental (adj.)
B1 Intermediate

relating to the most basic or important parts of a subject.

pertaining to the fundamental or essential aspects of a system or field of study.

Example

The course covers the elementary principles of economics for new students.

Example

A thorough understanding of these elementary concepts is vital before moving on to the more nuanced theories of quantum mechanics.
- advanced
- complex
2 very simple (adj.)
B2 Upper Intermediate

very easy to do or understand.

straightforward and requiring only basic skills or knowledge to resolve.

Example

The mistake was so elementary that even a beginner would have noticed it.

Example

The detective dismissed the clue as an elementary attempt to mislead the investigation, noting its lack of sophistication.
- difficult
- complicated

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3 relating to primary school (adj.)
B1 Intermediate American English

relating to the first years of a child's education.

pertaining to the initial stages of formal education, typically for children between the ages of five and eleven.

Example

She has been an elementary school teacher for over twenty years.

Example

The district is proposing a significant increase in funding for elementary education to reduce average class sizes in the early grades.
- primary
- secondary
- university
4 scientific building blocks (adj.)
C1 Advanced Technical Science

describing the simplest parts of matter that cannot be broken down further.

relating to or being an irreducible constituent of a physical system, such as a chemical element or a subatomic particle.

Example

An electron is an elementary particle because it is not made of smaller parts.

Example

The laboratory focuses on the interactions between elementary particles, seeking to understand the forces that govern the subatomic world.
- atomic
- elemental
- composite
- compound

Origin

From Middle English elementare, from Latin elementārius (“elementary”), from elementum (“one of the four elements of antiquity; fundamentals”) + -ārius (adjective-forming suffix). Cognate with French élémentaire. By surface analysis, element + -ary.