ANISOTROPY

Having physical characteristics which vary in different directions.

ANNEXATION

The legal incorporation of some territory into another geo-political entity (either adjacent or non-contiguous). Usually, it is implied that the territory and population being annexed is the smaller, more peripheral, and weaker of the two merging entities. In the US, Annexation usually occurs when an unincorporated town or neighborhood becomes a part of an existing […]

ANNUAL

A plant that lives or grows for only one year or one growing season.

ANNUAL FLOOD

Highest peak discharge of a stream in a water year.

ANNUAL REPORT

An annual update submitted by the Project Developer. Report covers updates and actions taken on the Project during a given year.

ANNUAL WILDLIFE SEED MIXTURE

A mixture of soybean, millet, cow pea, sorghum, lespedeza, buckwheat, and other seeds from which single-season plants are grown to serve as food or protective cover for wildlife. Some mixtures reseed naturally, while others require reseeding, light disking, and fertilization.

ANNUALIZED COST (OR REVENUE)

An equal annual payment with the same present value as payments that are not annual. May be calculated for a fixed or infinite time horizon.

ANNUITY

Equal payments at regular intervals, for example, monthly or yearly.

ANNULUS

In a well, the space between the well casing and the outer wall of the borehole.