plural of open fire

(mathematics, mathematical analysis) An operator defined as a function of the differentiation operator (the operator which maps functions to their derivatives).

(US) A small business that produces homemade foods and is partially exempt from the regulations governing larger commercial food operations.

plural of cottage food operation

A business model for software whereby the core is open-source and free, while closed-source add-ons are available for purchase.

(computing, of software, hardware or a product) The quality of being open-source.

plural of operational definition

plural of open reading frame

plural of open rectangle

plural of opera cake