Aristotle's lantern
definition: The five united jaws and accessory ossicles of certain sea urchins.

Aristotle's lantern is a 19 letter word that begins with an A and ends in an N

Cartilaginification (n.)
definition: The act or process of forming cartilage.

Cartilaginification is a 19 letter word that begins with a C and ends in an N

Conventionalization (n.)
definition: The act of making conventional.

Conventionalization is a 19 letter word that begins with a C and ends in an N

Conventionalization (n.)
definition: The state of being conventional.

Conventionalization is a 19 letter word that begins with a C and ends in an N

Interstratification (n.)
definition: Stratification among or between other layers or strata; also
That which is interstratified.
Interstratification is a 19 letter word that begins with an I and ends in an N

Rosenmuller's organ
definition: The parovarium.

Rosenmuller's organ is a 19 letter word that begins with an R and ends in an N

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