Hand-seeding, hydroseeding, sod, and artificial turf vary greatly in both the initial installation cost and the ongoing cost to maintain. Learn more about the cost differences between these installation methods, both initially and over time.
patch - a short set of commands to correct a bug in a computer program. computer program, computer programme, programme, program - (computer science) a sequence of instructions that a computer can interpret and execute; the program required several hundred lines of code.
Medical Definition of PATCH TEST. : a test for determining allergic sensitivity that is made by applying to the unbroken skin small pads soaked with the allergen to be tested and that indicates sensitivity when irritation develops at the point of applicationâcompare intradermal test, prick test, scratch test. a test for determining allergic sensitivity that is made by applying to the unbroken skin small pads soaked with the allergen to be tested. See patch test defined for kids. ADVERTISEMENT.