(slang) A female radio amateur. / Initialism of young learner.

(organic chemistry) A univalent radical or functional group formed from a given molecule. Thus propyl from propane, benzyl from benzene, and so forth.

Initialism of Yale Law School. / Initialism of Yves Saint Laurent.

plural of YL

(organic chemistry) Any dipolar organic compound of general formula R₃N⁺-C⁻R₂

(organic chemistry) Any organic compound in which two adjacent atoms are connected by both a covalent and an ionic bond; normally written X⁺–Y⁻

(organic chemistry) An ammonium ylide.

(countable) The fragrant flower of a tropical tree (Cananga odorata) native to southeast Asia. / (uncountable) An essential oil derived from this flower used in aromatherapy and perfumes.

Alternative spelling of ylang ylang

plural of ylide