(pathology) A chronic intoxication produced by the absorption of lead into the body, characterized by severe colicky pains, a dark line along the gums, and local muscular paralysis.

Having the consistency, feel, or texture of leather.

A tendency or propensity.

present participle of lean

Education obtained remotely, often involving written material together with audio-visual material transmitted via the internet and, sometimes, summer schools and local tutorials.

An extra day intercalated into a year, especially the day intercalated into the Julian calendar every fourth year and into the Gregorian calendar every fourth year excepting centuries not divisible by 400, usually reckoned as February 29th.

(folklore, fairy tale) A pair of boots enabling the wearer to cross seven leagues at one stride.

Gold beaten into a thin sheet.

A second of time added to the year occasionally to compensate for variation in the rate of Earth's rotation relative to the absolute standards of time.

(computer science) The byte of a multibyte number with the least importance: that is, the byte stored last on a big-endian system or first on a little-endian system.