leaf insect (Phylliidae family).

A parameter of some vertical wind profile equations that model the horizontal mean wind speed near the ground; in the log wind profile, it is equivalent to the height at which the wind speed theoretically becomes zero.

A law concerning the frequency distribution of digits in much real-world data, where the number 1 occurs as the leading digit about 30% of the time, and the expected distribution for digits beyond the first approaches a uniform distribution.

duckanoo

(microscopy) A condensing lens in which the light is confined to an annular pencil by means of a small, round diaphragm (the "spot"), and used in darkfield illumination.

(British spelling, Canadian spelling) Work performed by a minor that is prohibited by statute law, or under terms and conditions considered inhumane.

Alternative form of thought leader

A person, organization, publication, etc. regarded as an authoritative source of new ideas or intellectual trends.

(UK, Canada) the body of statute law that regulates the relationship between employer, employee, labour union and government.

A Chicago snack consisting of a corn-roll tamale in a hot dog bun with chili.