Shorthand for economy

word-forming element referring to the environment and man's relation to it, abstracted from ecology, ecological; attested from 1969.

See Engineering Change Order (ECO)

of the environment, habitat

echo

UP - Upwelling ecosystems

Label

1. Abbreviation for the Encyclopedia of Chess Openings, which basically a large dictionary of known Chess Openings. 2. A system that classifies Chess Openings, known as an ECO code. Each Open receives an alphanumeric code from A00 to E99.

A specification of the minor and valid engineering changes that are desired to be made to a netlist before a chip is manufactured.  Requires the “clustering” of the new netlist to look like the original one, placement of all components as in the old floorplan, and resolution of the hierarchical location and floorplan placement of new instances that [..]

See Engineering Change Order

Electro Catalytic Oxidation.

a prefix now added to many words indicating a general consideration for the environment e.g. ecohousing, ecolabel, ecomaterial.

(US,space science)a NASA term for when rocket engines are shutdown