(inorganic chemistry) The insoluble lead salt or sulfuric acid, PbSO₄, that forms in lead-acid batteries

Describing a battery having lead electrodes and an electrolyte of sulfuric acid solution; used in motor vehicles

A soft suede leather, originally from the chamois but now made from sheepskin, used in cleaning and polishing.

A disability which prevents the sufferer from learning in a typical manner.

An organization that exists to promote an academic discipline or group of disciplines.

plural of lean-to

(idiomatic) To search or investigate thoroughly. / (figuratively) To perform a task carefully and thoroughly, not missing any step.

(usually in the plural) Synonym of jumper cable

(idiomatic) To go crazy; to stop behaving rationally.

(artificial intelligence) The ability of computers to learn without being explicitly programmed.