ACCELERATORY
Ac*cel"er*a*to*ry, a.

Defn: Accelerative.

ACCELEROGRAPH
Ac*cel"er*o*graph, n. Etym: [Accelerate + -graph.] (Mil.)

Defn: An apparatus for studying the combustion of powder in guns, etc.

ACCELEROMETER
Ac*cel`er*om"e*ter, n. Etym: [Accelerate + -meter.]

Defn: An apparatus for measuring the velocity imparted by gunpowder.

ACCEND Ac*cend", v. t. Etym: [L. accendere, accensum, to kindle; ad + candère to kindle (only in compounds); rel. to candere to be white, to gleam. See Candle.]

Defn: To set on fire; to kindle. [Obs.] Fotherby.

ACCENDIBILITY
Ac*cend`i*bil"i*ty, n.

Defn: Capacity of being kindled, or of becoming inflamed; inflammability.