incidental. Contingent upon or pertaining to something that is more important; that which is necessary, appertaining to, or depending upon another known as the principal.nder Workers' Compensation statutes, a risk is deemed incidental to employment when it is related to whatever a worker must do in order to fulfill the employment contract, but is not the primary function that the worker was hired to do.
A cultivator is both a general term for any tool that is used to prepare soil for planting, and the name of four specific tools: a piece of machinery attached to a tractor, a small engine-propelled machine, a hand-action tool, and a traditional hand-tool.
A transcriptional activator is a protein (transcription factor) that increases gene transcription of a gene or set of genes. Most activators are DNA-binding proteins that bind to enhancers or promoter-proximal elements.he part of the activator that makes protein-protein interactions with the general transcription machinery is referred to as an activating region.. The part of the general transcription machinery that makes protein-protein interactions with the activator is referred to as an activation target..