peritoneal

• peritonaeal
• peritonæal (obsolete)

From peritone(um) +‎ -al. Compare New Latin peritonaeālis.^[1]

• (General American) IPA^(key): /ˌpɛrətəˈni.əl/
• (Received Pronunciation) IPA^(key): /ˌpɛrɪtəˈniːəl/

• Audio (Southern England):

  (file)

• Rhymes: -iːəl

peritoneal (not comparable)

1. Of, relating to, or affecting the peritoneum.
   • 1914, Transactions of the Section on Genito-Urinary Diseases of the American Medical Association, page 80:

     After opening the bladder (incision extending 1 inch pubically from peritoneal fold) the prostate was injected deeply with 1 per cent. cocain while the pericapsular region was injected with the 1 : 400 novocain solution.

• Peritoneal (which concerns certain organs or matter inside the abdomen) is not to be confused with peroneal (which concerns the lower leg) or perineal (which concerns the skin between the genitals and anus); the words can sound somewhat similar, especially in rapid speech such as during a doctor's dictation.

From peritoneu +‎ -al.

• IPA^(key): (Central) [pə.ɾi.tu.neˈal]
• IPA^(key): (Balearic) [pə.ɾi.to.neˈal]
• IPA^(key): (Valencia) [pe.ɾi.to.neˈal]
• Rhymes: -al
• Hyphenation: pe‧ri‧to‧ne‧al

peritoneal m or f (masculine and feminine plural peritoneals)

1. peritoneal

• retroperitoneal

• “peritoneal” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.

• Hyphenation: pe‧ri‧to‧ne‧al

peritoneal m or f (plural peritoneais)

1. peritoneal (relating to or affecting the peritoneum)

• “peritoneal”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026
• “peritoneal”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026

Borrowed from French péritonéal.

peritoneal m or n (feminine singular peritoneală, masculine plural peritoneali, feminine/neuter plural peritoneale)

1. peritoneal

From peritoneo +‎ -al.

• IPA^(key): /peɾitoneˈal/ [pe.ɾi.t̪o.neˈal]
• Rhymes: -al
• Syllabification: pe‧ri‧to‧ne‧al

peritoneal m or f (masculine and feminine plural peritoneales)

1. (anatomy) peritoneal

• “peritoneal”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025