# replacement

/ɹɪˈpɫeɪsmənt/ (US) · /ɹɪplˈeɪsmənt/ (UK)

Source: https://englishreference.com/word/replacement
Updated: 2026-06-19

## Senses

### 1. a substitute person or thing

noun · CEFR B1

a person or thing that takes the place of someone or something else.

For teachers: a person or object that serves as a substitute for another that has been removed, lost, or worn out.

- The team had to find a replacement for their star player after he got injured.
- The HR department is currently interviewing candidates to find a suitable replacement for the outgoing marketing director.

### 2. the act of substituting

noun · CEFR B2

the act of putting something new in the place of something old or broken.

For teachers: the process or action of substituting one thing or person for another.

- The replacement of the old windows took three days to finish.
- The gradual replacement of manual labour with automated systems has significantly altered the local economy over the last decade.

### 3. crystal structure

noun · CEFR C2 · Technical

a change in the shape of a crystal where one part is removed and replaced by a flat surface.

For teachers: the removal of an edge or angle of a crystal and its substitution by one or more planes.

- The geologist explained how the replacement of the crystal's edge occurred during its formation.
- In crystallography, the replacement of a primitive edge by a secondary plane provides insight into the mineral's growth conditions.

## Examples

- The shop sent a replacement for the broken lamp.
- The manager is looking for a temporary replacement while the lead designer is on leave.
- Finding a suitable replacement for the retiring CEO proved difficult, as the board required a candidate with both technical expertise and significant international experience.

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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.