# assembly

/əˈsɛmbɫi/ (US) · /ɐsˈɛmbli/ (UK)

Source: https://englishreference.com/word/assembly
Updated: 2026-08-15

## Senses

### 1. a gathering of people

noun · CEFR B1

a group of people who meet together in one place for a specific reason, like a school meeting.

For teachers: a congregation of people gathered in one place for a common purpose, often used in educational or religious contexts.

- The principal made an announcement during the morning assembly in the hall.
- The school holds a weekly assembly to celebrate student achievements and foster a sense of community among the various year groups.

### 2. putting parts together

noun · CEFR B2

the process of building something by joining different parts together.

For teachers: the act or process of constructing a mechanism or device from its constituent parts.

- The assembly of the new bookshelf took much longer than I expected.
- The factory streamlined the assembly of the engines, reducing the total production time by nearly fifteen percent.

Usage: Often used in the compound 'assembly line'.

### 3. a legislative body

noun · CEFR C1 · Formal

a group of people who have the power to make or change laws for a country or state.

For teachers: a formal legislative body or parliament, often representing the lower house in certain jurisdictions.

- The national assembly voted to pass the new environmental law yesterday.
- The regional assembly debated the proposed budget for several hours before reaching a consensus on infrastructure spending.

Usage: Often capitalized when referring to a specific body, such as the General Assembly.

### 4. a finished mechanism

noun · CEFR C1 · Technical

a complete set of parts that work together as one machine or tool.

For teachers: a discrete unit or mechanism consisting of several components that have been fitted together.

- The mechanic had to replace the entire brake assembly because it was rusted.
- Engineers discovered a flaw in the tail assembly of the aircraft, leading to a temporary grounding of the entire fleet.

### 5. programming language

noun · CEFR C2 · Technical

a low-level computer language that is very close to how a computer's hardware works.

For teachers: a low-level programming language in which there is a very strong correspondence between the instructions and the architecture's machine code.

- He learned to write in assembly to make his computer games run faster.
- Writing the driver in assembly allowed the developer to optimize performance for the specific hardware constraints of the embedded system.

Usage: Uncountable when referring to the language itself.

Teaching tip: In modern contexts, this is almost always a shortened form of 'assembly language'.

## Examples

- The school holds an assembly every Monday morning.
- The national assembly voted to pass the new environmental law after a long debate.
- Automated assembly lines have significantly reduced the time required to manufacture complex electronics, though they require constant monitoring by skilled technicians.

---

From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.