Accelerometer (n.)
definition: An apparatus for measuring the velocity imparted by gunpowder.

Accelerometer is a 13 letter word that begins with an A and ends in an R

Administrator (n.)
definition: A man who manages or settles the estate of an intestate
Or of a testator when there is no competent executor; one to whom the right of administration has been committed by competent authority.
Administrator is a 13 letter word that begins with an A and ends in an R

Administrator (n.)
definition: One who administers affairs; one who directs
Manages executes or dispenses whether in civil judicial political or ecclesiastical affairs; a manager.
Administrator is a 13 letter word that begins with an A and ends in an R

Albuminimeter (n.)
definition: An instrument for ascertaining the quantity of albumen in a liquid.

Albuminimeter is a 13 letter word that begins with an A and ends in an R

Alcoholometer (n.)
definition: Alt. of Alcoholmeter

Alcoholometer is a 13 letter word that begins with an A and ends in an R

Anathematizer (n.)
definition: One who pronounces an anathema.

Anathematizer is a 13 letter word that begins with an A and ends in an R

Anthracometer (n.)
definition: An instrument for measuring the amount of carbonic acid in a mixture.

Anthracometer is a 13 letter word that begins with an A and ends in an R

Archpresbyter (n.)
definition: Same as Archpriest.

Archpresbyter is a 13 letter word that begins with an A and ends in an R

Archtreasurer (n.)
definition: A chief treasurer. Specifically
The great treasurer of the German empire.
Archtreasurer is a 13 letter word that begins with an A and ends in an R

Attitudinizer (n.)
definition: One who practices attitudes.

Attitudinizer is a 13 letter word that begins with an A and ends in an R

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