The angle a balanced magnetic needle makes with the plane of the horizon, measured by the dipping needle, or compass.

fainting or similar discomfort as a result of acupuncture

plural of roweling-needle

(obsolete) A needle used for inserting a rowel or seton.

plural of needcessity

(dialect, nonstandard) necessity

To cause the hand of a dial indicator to reach the highest measurement, due to reaching the maximum measurable speed, pressure, etc.

The practice among intravenous drug users by which a needle or syringe is shared by multiple individuals to administer intravenous drugs, potentially leading to transmission of certain infectious diseases.

A place or service that allows intravenous drug users to obtain new hypodermic needles at little or no cost, often in exchange for used ones.

plural of needle exchange