(pharmacology) A yellow crystalline broad-spectrum tetracycline antibiotic C₂₂H₂₄N₂O₉ that is produced by a soil actinomycete (Streptomyces rimosus) and works by interfering with bacteria's ability...

(organic chemistry) Any of a group of angucycline antibiotics present in Streptomyces fradiae.

(transitive) To give great joy, delight or pleasure to. / (transitive, rare) To give too much joy to. / (intransitive, obsolete) To take too much pleasure (in something).

(programming) A directive that associates an SGML or XML document (such as a webpage) with a Document Type Definition, potentially affecting how it is parsed and rendered.