ECHELON

echelon

(noun) a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset

echelon

(noun) a body of troops arranged in a line

echelon

(noun) status in a society or organization; “the upper echelon”

Source: WordNet® 3.1

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Proper noun

Echelon

An international SIGINT network to monitor and gather intelligence from satellite trunk communications.

Anagrams

• Chelone, chelone

Etymology

Noun

echelon (plural echelons)

A level or rank in an organization, profession, or society.

(cycling) A line of riders seeking maximum drafting in a crosswind, resulting in a diagonal line across the road.

(military) A formation of troops, ships, etc, in diagonal parallel rows. [from late 18th c.]

Verb

echelon (third-person singular simple present echelons, present participle echeloning, simple past and past participle echeloned)

(transitive, military) To form troops into an echelon.

Adjective

echelon (not comparable)

(linear algebra) Of a matrix: having undergone Gaussian elimination with the result that the leading coefficient or pivot (that is, the first nonzero number from the left) of a nonzero row is to the right of the pivot of the row above it, giving rise to a stepped appearance in the matrix.

Anagrams

• Chelone, chelone

Source: Wiktionary

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Ech"e*lon, n. Etym: [F., fr. échelle ladder, fr. L. scala.]

1. (Mil.)

Definition: An arrangement of a body of troops when its divisions are drawn up in parallel lines each to the right or the left of the one in advance of it, like the steps of a ladder in position for climbing. Also used adjectively; as, echelon distance. Upton (Tactics).

2. (Naval)

Definition: An arrangement of a fleet in a wedge or Encyc. Dict. Echelon lens (Optics), a large lens constructed in several parts or layers, extending in a succession of annular rings beyond the central lens; - - used in lighthouses.

Ech"e*lon, v. t. (Mil.)

Definition: To place in echelon; to station divisions of troops in echelon.

Ech"e*lon, v. i.

Definition: To take position in echelon. Change direction to the left, echelon by battalion from the right. Upton (Tactics).

Source: Webster’s Unabridged Dictionary 1913 Edition

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