Acciaccatura (n.)
definition: A short grace note
One semitone below the note to which it is prefixed; -- used especially in organ music. Now used as equivalent to the short appoggiatura.
Acciaccatura is a 12 letter word that begins with an A and ends in an A

Actinotrocha (n.)
definition: A peculiar larval form of Phoronis
A genus of marine worms having a circle of ciliated tentacles.
Actinotrocha is a 12 letter word that begins with an A and ends in an A

Ammonitoidea (n.)
definition: An extensive group of fossil cephalopods often very abundant in Mesozoic rocks. See Ammonite.

Ammonitoidea is a 12 letter word that begins with an A and ends in an A

Amphibiotica (n.)
definition: A division of insects having aquatic larvae.

Amphibiotica is a 12 letter word that begins with an A and ends in an A

Anaphrodisia (n.)
definition: Absence of sexual appetite.

Anaphrodisia is a 12 letter word that begins with an A and ends in an A

Anarthropoda (n.)
definition: One of the divisions of Articulata in which there are no jointed legs
As the annelids; -- opposed to Arthropoda.
Anarthropoda is a 12 letter word that begins with an A and ends in an A

Anisodactyla (n.)
definition: Alt. of Anisodactyls

Anisodactyla is a 12 letter word that begins with an A and ends in an A

Anthropoidea (n.)
definition: The suborder of primates which includes the monkeys
Apes and man.
Anthropoidea is a 12 letter word that begins with an A and ends in an A

Anticlinoria (pl)
definition: of Anticlinorium

Anticlinoria is a 12 letter word that begins with an A and ends in an A

Antilegomena (n.)
definition: Certain books of the New Testament which were for a time not universally received
But which are now considered canonical. These are the Epistle to the Hebrews the Epistles of James and Jude the second Epistle of Peter the second and third Epistles of John and the Revelation. The undisputed books are called the Homologoumena.
Antilegomena is a 12 letter word that begins with an A and ends in an A

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