What part of speech is electroencephalograph?

Electroencephalograph can be categorized as a noun.

Parts of speech

• 1. electroencephalograph is a noun, singular of electroencephalographs.

Inflections

Noun

• Singular

  Plural
• electroencephalograph 

  electroencephalographs 

• Singular: electroencephalograph 
• Plural: electroencephalographs 

What does electroencephalograph mean?