(archaeology) A pit, trench, shovel test hole, (etc.) or other result of scientific excavation.

plural of excavation unit

(astronomy) The (otherwise unnamed) unit of density of electromagnetic radiation from a radio star, equal to 10⁻²⁶ watts per square meter per hertz

plural of unit matrix

plural of unit matrix

(business, marketing) The price of a standard amount of a good, as of weight or volume.

plural of multiple unit

An entity which is part of, and participates in, a larger social group or society.

plural of natural unit

plural of Planck unit