a suffix formerly used to form nouns from adjectives:
a combining form with the meaning “muscle tension, nerve tension,” as specified by the initial element (hypertonia); used also in the formation of words that denote more generally a personality type or personality disorder (catatonia; somatotonia). -tonia suff. degree or state of tonicity: myotonia.
a combining form occurring in adjectives that correspond to nouns ending in -tonia: catatonic.
a suffix found in loanwords from latin, forming personal agent nouns from verbs and, less commonly, from nouns: dictator; genitor; janitor; orator; victor.
-atorium suffix used to form nouns place where an indicated thing is done: drinkatorium/ lubritorium/ printorium -torium related terms -atorium
a suffix occurring in loanwords from latin, originally adjectival derivatives of agent nouns ending in -tor, (predatory); also forming adjectival derivatives directly from verbs (obligatory; transitory). -tory2 a suffix occurring in loanwords from latin, usually derivatives from agent nouns ending in -tor, or directly from verbs, denoting a place or object appropriate for the activity […]