plural of indicated airspeed

(aviation) The airspeed displayed by an aircraft's airspeed indicator based on measurements from the pitot-static system; the airspeed used by pilots and air traffic control when flying and controlling aircraft.

(Internet) A symbol conveying the tone or context of a message.

plural of Articulation Index

Indian script with the structure of the Brahmic script, or one of its descendants.

plural of geographical indication

plural of therapeutic index

plural of Jaccard index

(chemistry) A substance that shows the acidity or alkalinity of a solution by its colour.

(aviation) An aircraft instrument that provides an indication of the vertical change in position.