a combining form meaning “cutting, incision” of an organ, “excision” of an object, as specified by the initial element (appendectomy; lithotomy); also occurring in abstract nouns corresponding to adjectives ending in -tomous, (dichotomy).
compare -tome, tomo-, -tomous.
combining form
indicating a surgical cutting of a specified part or tissue lobotomy
word origin
from greek -tomia; see -tome
comb. form meaning “a cutting,” from gk. -tomia “a cutting of,” from tome “a cutting, section” (see tome).

-tomy suff.
act of cutting; incision: gastrotomy.

Read Also:

  • -ton

    a suffix formerly used to form nouns from adjectives: simpleton; singleton.

  • -tonia

    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.

  • -tonic

    a combining form occurring in adjectives that correspond to nouns ending in -tonia: catatonic.

  • -tor

    a suffix found in loanwords from latin, forming personal agent nouns from verbs and, less commonly, from nouns: dictator; genitor; janitor; orator; victor.

  • -torium

    -atorium suffix used to form nouns place where an indicated thing is done: drinkatorium/ lubritorium/ printorium -torium related terms -atorium

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