Accidentalism (n.)
definition: Accidental character or effect.

Accidentalism is a 13 letter word that begins with an A and ends in an M

Acetabuliform (a.)
definition: Shaped like a shallow cup; saucer-shaped; as
An acetabuliform calyx.
Acetabuliform is a 13 letter word that begins with an A and ends in an M

Adipoceriform (a.)
definition: Having the form or appearance of adipocere; as
An adipoceriform tumor.
Adipoceriform is a 13 letter word that begins with an A and ends in an M

Agriculturism (n.)
definition: Agriculture.

Agriculturism is a 13 letter word that begins with an A and ends in an M

Album Graecum
definition: Dung of dogs or hyenas
Which becomes white by exposure to air. It is used in dressing leather and was formerly used in medicine.
Album Graecum is a 13 letter word that begins with an A and ends in an M

Ambulacriform (a.)
definition: Having the form of ambulacra.

Ambulacriform is a 13 letter word that begins with an A and ends in an M

Anagrammatism (n.)
definition: The act or practice of making anagrams.

Anagrammatism is a 13 letter word that begins with an A and ends in an M

Anoplotherium (n.)
definition: A genus of extinct quadrupeds of the order Ungulata
Whose were first found in the gypsum quarries near Paris; characterized by the shortness and feebleness of their canine teeth (whence the name).
Anoplotherium is a 13 letter word that begins with an A and ends in an M

Anticlinorium (n.)
definition: The upward elevation of the crust of the earth
Resulting from a geanticlinal.
Anticlinorium is a 13 letter word that begins with an A and ends in an M

Antilogarithm (n.)
definition: The number corresponding to a logarithm. The word has been sometimes
Though rarely used to denote the complement of a given logarithm; also the logarithmic cosine corresponding to a given logarithmic sine.
Antilogarithm is a 13 letter word that begins with an A and ends in an M

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