(computing) Additions to the syntax of a computer language that make code easier for humans to read or write, but that do not change the functionality or expressiveness of the language.

(medicine) A congenital disorder that causes skin overgrowth and atypical bone development, often accompanied by tumors.

System of teaching children to read by synthesising sounds from letters.

A system of synchronized transmission found in modern gearboxes to make gear changing easier and smoother. / (by extension) A device which functions like a synchronized transmission.

Having the quality of smoothly exchanging interlocking forces.

(neurology) parkinsonism

(medicine) A disorder where increased levels of the hormone gastrin are produced, causing the stomach to produce excess hydrochloric acid; often caused by a tumor (gastrinoma) of the duodenum or pancreas, and resulting in peptic ulcers.

(US) A news agency

(idiomatic) The supposed psychological phenomenon of immaturity among some men, who, like the fictional character, remain childish and fail to assume appropriate adult social roles and responsibilities.

Non-Oxford British English standard spelling of synchronization.