keystone
English · Thesaurus
AI In plain words
Writing a short explanation…
Written by a house AI from the entry below, in your language. The entry itself is the source.
keystone¹
- /ˈkiː.stəʊn/
Rhymes with -iːstəʊn
Where it comes from
From key + stone.
Definition 4 (retail) possibly originated in the jewelry industry in the magazine called "Jewelers' Circular-Keystone".
noun keystones
- The top stone of an arch. The tunnel, which is 1,000 yd. long, had been closed to passenger traffic since November 17, 1949, after some of the keystones had worked loose.
- Something on which other things depend for support. Tension between empirical and theoretical knowledge is keystone to sociological and to organizational theories, as early as in Marx's and Weber's frameworks.
- A retail price that is double the cost price; a markup of 100%.
- The combination of the shortstop and second baseman.
verb keystones · keystoning · keystoned
- To distort (an image) by projecting it onto a surface at an angle, which for example causes a square to look like a trapezoid.
- To double the cost price in order to determine the retail price; to apply a markup of 100%.
Keystone²
proper noun
- A census-designated place in Colorado.
- A city and town in Iowa.
- A ghost town in North Dakota.
- A town in South Dakota.
Thesaurus
Closest in meaning: headstone, vault, pillar, cornerstone, basement, centrepiece, key, fulcrum, pivot, linchpin, lynchpin, touchstone, milestone, bedrock, angular, centerpiece
Translations
Every language
noun the top stone of an arch
| Español | clave, dovela |
|---|---|
| 한국어 | 쐐기돌 sswaegidol |
| 日本語 | キーストーン |
| Português | pedra angular |
| Français | clef de voûte, clé de voute, clef d'arc, clé d'arc, claveau |
| Deutsch | Schlussstein, Scheitelstein |
| Italiano | chiave di volta |
| Ελληνικά | σφηνόλιθος sfinólithos |
| Română | cheie de boltă |
| Русский | замко́вый ка́мень zamkóvyj kámenʹ, замо́к zamók |
| العربية | حجر العقد |
| עברית | אבן הראשה |
noun something on which other things depend for support
| Français | clef de voûte |
|---|---|
| Русский | замко́вый ка́мень zamkóvyj kámenʹ |
| Tiếng Việt | rường cột |
Talk about this word "keystone." Wiktionary, via Micwyn, micwyn.com/word/keystone. Accessed 6 Nov. 2026. keystone. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/keystone "keystone." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/keystone.Cite this
@misc{keystone_2026,
title = {keystone},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/keystone},
urldate = {2026-11-06}
}