(US) The 1970s characterized by a rise of self-indulgence and narcissism in American society.

(idiomatic) To take the most honourable or appropriate course of action, even if is not necessarily in the person's own interests.

(biochemistry) A cellular pathway for the rapid destruction of damaged or mutant messenger RNAs lacking a stop codon in the proper reading frame.

(biochemistry) A cellular pathway for the rapid destruction of messenger RNAs with premature stop codons resulting from nonsense mutations or frameshifts.

(astronomy, physics) A unit of length equal to the distance light travels in one decade.

(dermatology, pathology) An apical portion of a cytoplasm of secretory cells which project prominently as buds into a lumen.

plural of decapitation secretion

(humorous) A jocular challenge following No Nut November, in which participants are encouraged to masturbate excessively: (sometimes stated as) once on December 1, twice on December 2, and so on until the 31st.