capstone

C2+ Topic:Space, Position & Direction

US /ˈkæpˌstoʊn/ UK /ˈkæpˌstəʊn/ See IPA manual

noun

Meanings

1

noun
a crowning achievement; the top stone of a structure

The award was the capstone of her long career.

Thesaurus

Synonyms

1 noun · a crowning achievement; the... crown pinnacle peak culmination apex acme coping

Etymology

A compound of cap and stone. Cap is from Old English cæppe, from Late Latin cappa ('hood, cap'); stone is native Germanic Old English stān.

cappa la-lat stān Old English

View etymology graph ->

Topics

Space, Position & Direction

# capstone

**Type:** Word
**Level:** C2+
**Part of speech:** noun
**IPA (US):** ˈkæpˌstoʊn
**IPA (UK):** ˈkæpˌstəʊn

## Meanings
1. a crowning achievement; the top stone of a structure

## Examples
- The award was the capstone of her long career.

## Synonyms
- crown
- pinnacle
- peak
- culmination
- apex
- acme
- coping

## Roots and Affixes
- Root: cappa
- Root: stān

## Etymology
A compound of cap and stone. Cap is from Old English cæppe, from Late Latin cappa ('hood, cap'); stone is native Germanic Old English stān.

## AI Etymology
Capstone is a noun meaning "a crowning achievement; the top stone of a structure". Historically, it is a compound of cap and stone. Cap is from Old English cæppe, from Late Latin cappa ('hood, cap'); stone is native Germanic Old English stān. The visible construction is part of the etymology: capstone is not just an unanalyzed simple word. The historical chain links Latin cappa with Old English stān. This keeps the modern noun sense tied to the older forms and language sequence behind it.

## Topics
- Space, Position & Direction

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capstone

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