Dictionary.com'sdefinitions:
dé·tente /deɪˈtɑnt; Fr. deɪˈtɑ̃t/ Pronunciation Key - Show Spelled Pronunciation[dey-tahnt; Fr. dey-tahnt] Pronunciation Key - Show IPA Pronunciation
–noun, plural -tentes /-ˈtɑnts; Fr. -ˈtɑ̃t/ Pronunciation Key - Show Spelled Pronunciation[-tahnts; Fr. -tahnt] Pronunciation Key - Show IPA Pronunciation.
a relaxing of tension, esp. between nations, as by negotiations or agreements.
Also, de·tente.
[Origin: 1905–10; < F; see detent]
dé·tente (dā-tänt', -täɴt') Pronunciation Key
n.
1. A relaxing or easing, as of tension between rivals.
2. A policy toward a rival nation or bloc characterized by increased diplomatic, commercial, and cultural contact and a desire to reduce tensions, as through negotiation or talks.
[French; see detent.]
dé·tent'ist n.
detente
political term is 1908 borrowing of Fr. détente "loosening, slackening," used in O.Fr. for the catch of a crossbow, from V.L. detendita, fem. pp. of detendere "loosen, release," from de- "from, away" + tendere "stretch" (see tenet).