Anagrams of: AIRRAID

• measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects

• the length of a line segment between the center and circumference of a circle or sphere

• a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)

• a circular region whose area is indicated by the length of its radius

• the outer and slightly shorter of the two bones of the human forearm

• support consisting of a radial member of a wheel joining the hub to the rim

• a sudden short attack

• an attempt by speculators to defraud investors

• search without warning, make a sudden surprise attack on

• enter someone else's territory and take spoils

• take over (a company) by buying a controlling interest of its stock

• search for something needed or desired

• lacking sufficient water or rainfall

• lacking vitality or spirit; lifeless

• relieve from

• a person or thing that is a resource that helps make something easier or possible to do

• the activity of contributing to the fulfillment of a need or furtherance of an effort or purpose

• gift of money or other material help to support a person or cause

• the work of providing treatment for or attending to someone or something

• give help or assistance; be of service

• improve the condition of

• a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material

• the unit of plane angle adopted under the Systeme International d'Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees)

• an elaborate song for solo voice