ECO (plural ECOs)

(US, rocketry) Abbreviation of engine cut-off or engine cutoff. (a NASA term for when rocket engines are shut down)

(astronomy, physics) Initialism of eternally collapsing object. (a type of black hole replacement, to avoid having gravitational singularities)


• CEO, COE, CoE, Coe, EOC

Etymology 1


eco (comparative more eco, superlative most eco)

Environmentally friendly or sensitive.

Etymology 2


eco (plural ecos)

A proposed name for the common currency that the West African Monetary Zone plans to introduce in the framework of the Economic Community of West African States.


• CEO, COE, CoE, Coe, EOC

Source: Wiktionary


Word of the Day

29 February 2024


(adverb) in an ingenious manner; “a Hampshire farmer had fowls of different breeds, including Dorkings, and he discriminated ingeniously between the ‘dark ones’ and the ‘white ones’”

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