As adjectives the difference between monotonous and monotomous
is that monotonous is having an unvarying tone or pitch while monotomous is (mineralogy) having a distinct cleavage in a single direction.
monotonous
English
Adjective
(
en adjective)
having an unvarying tone or pitch
tedious, repetitious or lacking in variety
Related terms
* monotone
* monotony
Synonyms
* monotonic
* samely
monotomous
English
Adjective
(
-)
(mineralogy) Having a distinct cleavage in a single direction.
(
Webster 1913)