Word: radiohalos
Part of speech: Noun
Syllables: ra
di
o
ha
los
Definition: Plural of radiohalo;  is a microscopic, spherical shell of discolouration (pleochroism) within minerals such as biotite that occurs in granite and other igneous rocks
Morphemes:
Affix: radio-
Language: en
PoS: Prefix
Meaning: radiation, radioactive
Affix: halo
Language: en
PoS: Noun
Meaning: A circular band of coloured light, visible around the sun or moon etc., caused by reflection and refraction of light by ice crystals in the atmosphere.
Etymology Compounds: Affix: ἅλως
Language: grc
Decoded: alos
Meaning: disk of the sun or moon; ring of light around the sun or moon; threshing floor with its surrounding threshold; disk of a shield
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form many pluralia tantum (nouns that are almost or entirely without singular forms).