sel

name

1. A diminutive of the female given name Selena.

noun

1. (abbreviation, alt-of, countable, initialism, uncountable)Initialism of single-event latchup (a destructive internal short circuit produced by a particle of ionizing radiation striking a CMOS computer chip).
2. (abbreviation, alt-of, initialism, uncountable)Initialism of Social–emotional learning.

   “In a March interview conducted over email, Mr. Rufo stated that while social-emotional learning sounds “positive and uncontroversial” in theory, “in practice, SEL serves as a delivery mechanism for radical pedagogies such as critical race theory and gender deconstructionism.””

3. (abbreviation, alt-of, countable, initialism)Initialism of shelf edge label.