Word: pupillometers
Part of speech: Noun
Syllables: pu
pi
llo
me
ters
Definition: Plural of pupillometer;  is a name for two different devices—one used to measure the pupillary light reflex, and the other used in ophthalmology, which measures the distance between pupils through visual stimuli
Morphemes:
Affix: pupil
Language: en
PoS: Noun
Meaning: The hole in the middle of the iris of the eye, through which light passes to be focused on the retina.
Etymology Compounds: Affix: pūpa
Language: la
Decoded: pupa
PoS: Noun
Meaning: girl, little girl
Affix: -illa
Language: la
Decoded: -illa
Meaning: -illa
Affix: -o-
Language: en
PoS: Interfix
Meaning: A linking vowel inserted interconsonantally between two morphemes, to ease pronunciation, without contributing to the meaning. It frequently joins words or of Ancient Greek or Classical Latin origin in the of New Latin and international scientific vocabulary but it can also be used to join modern terms and even abbreviations, either formally or informally.
Etymology Compounds: Affix: -o-
Language: la
Decoded: -o-
PoS: Interfix
Meaning: Suffix forming nominal compounds (such as Gallo-Greek from Gallic and Greek ).
Affix: -meter
Language: en
PoS: Suffix
Meaning: Used to form the names of measuring devices.
Etymology Compounds: Affix: meh₁-
Language: ine-pro
Decoded: meh1-
Meaning: to measure
Affix: -τρον
Language: grc
Decoded: -tron
PoS: Suffix
Meaning: Forms instrument nouns
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form the plural of nouns that correctly take just an "s" in the plural. See greengrocer’s apostrophe.