(biochemistry) Any of a family of small proteins that attach themselves to other proteins within cells and modify their function

(mathematics) A mathematical problem in which lines drawn from two points in the plane of a circle must meet at a point on the circumference, making equal angles with the normal at that point.

Any process that is not continuous, but is carried out with a discrete amount of material.

(pharmacology) A narrow spectrum penicillin antibiotic.

(countable or uncountable) A protein found in leaves extracted for use as a food for humans.

Concentrated leaf protein used as a food for human beings.

(law) Property that is found in such a state as to make it likely that the original owner has intentionally given up all dominion and control over the property, with no intent of returning to or recovering the property.

(law) Property that is found in such a state as to make it likely that the original owner intentionally placed it somewhere, but then forgot to retrieve it from that place, and would be able to locate the property.

(Britain) A help desk or department in a store, mall, or other such facility where customers who have lost an item can inquire as to whether it has been found and turned in; a lost and found.

To solve problems.