Definition of "EA"

For copolymers of ethylene, the other comonomer can be an alkene such as propene, butene, hexene or octene, or a compound having a polar functional group such as vinyl acetate (VA), acrylic acid (AA), ethyl acetate (EA), methyl acrylate (MA) or vinyl alcohol (VOH).

2006, Gordon L. Robertson, “Structure and Related Properties of Plastic Polymers”, in Food Packaging: Principles and Practice, 2nd edition, CRC Press, page 25

[…] Christine Emba’s Sept. 6 op-ed, “The trouble with ‘longtermism,’ ” countered this philosophy’s occasional fanaticism with glib reductiveness. Moreover, she tarred with the same brush the spirit of the entire effective altruism (EA) movement — the giveaway at the start is that EA is derided for being “obsessed with ‘doing good better.’ ”

2022 September 9, Theodore Leinwand, “Neartermism and longtermism aren’t at odds”, in The Washington Post‎

This is the language of effective altruism — or E.A. — a philanthropic movement premised on the use of reason and data to do good. Bankman-Fried had long flaunted his E.A. bona fides to distinguish himself from other crypto billionaires.

2022 December 9, Jennifer Szalai, “Effective Altruism Warned of Risks. Did It Also Incentivize Them?”, in The New York Times‎