As nouns the difference between trapezoid and echelon
is that trapezoid is a (convex) quadrilateral with two (non-adjacent) parallel sides while echelon is a level or rank in an organization, profession, or society.
As a verb echelon is
to form troops into an echelon.
As a proper noun Echelon is
an international SIGINT network to monitor and gather intelligence from satellite trunk communications.
trapezoid
Noun
(
en noun)
(geometry, US) A (convex) quadrilateral with two (non-adjacent) parallel sides.
(geometry, British) A convex quadrilateral with no sides parallel and no equal sides.
(anatomy) The trapezoid bone of the wrist.
Synonyms
* (sense) (British) trapezium
* (sense) irregular quadrilateral, (US) trapezium
Derived terms
* trapezoidal
echelon
English
Alternative forms
*
Noun
(
en noun)
A level or rank in an organization, profession, or society.
(military) A formation of troops, ships, etc. in diagonal parallel rows.
Verb
(
en verb)
To form troops into an echelon.
See also
* (Echelon formation)
Anagrams
*