PERFORATION

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does perforation mean? 

• PERFORATION (noun)
  The noun PERFORATION has 3 senses:

1. a line of small holes for tearing at a particular place

2. a hole made in something

3. the act of punching a hole (especially a row of holes as for ease of separation)

  Familiarity information: PERFORATION used as a noun is uncommon.

 Dictionary entry details 

• PERFORATION (noun)

Sense 1

Meaning:

A line of small holes for tearing at a particular place

Classified under:

Nouns denoting man-made objects

Hypernyms ("perforation" is a kind of...):

hole (an opening deliberately made in or through something)

Derivation:

perforate (make a hole into or between, as for ease of separation)

Sense 2

Meaning:

A hole made in something

Classified under:

Nouns denoting natural objects (not man-made)

Context example:

a perforation of the eardrum

Hypernyms ("perforation" is a kind of...):

hole (an opening into or through something)

Derivation:

perforate (pass into or through, often by overcoming resistance)

Sense 3

Meaning:

The act of punching a hole (especially a row of holes as for ease of separation)

Classified under:

Nouns denoting acts or actions

Hypernyms ("perforation" is a kind of...):

puncture (the act of puncturing or perforating)

Derivation:

perforate (make a hole into or between, as for ease of separation)

 Context examples 

Cardiac perforation may or may not be symptomatic and may or may not be self sealing.

(Cardiac Perforation, NCI Thesaurus/ACC)

Having the appearance of a sieve: containing many perforations.

(Cribriform, NCI Thesaurus)

The most common cause of esophageal perforation is injury during a medical procedure such as esophagoscopy or placement of a naso-gastric tube; and pathologic process such as neoplasm or gastric reflux with ulceration.

(Esophageal Perforation, NCI Thesaurus)

A cement like material used for apical seals and as a reparative material for perforation of the tooth root.

(MTA Cement, NCI Thesaurus)

Causes include liver disease, perforation of the gastrointestinal tract or biliary tract, and peritoneal dialysis.

(Peritonitis, NCI Thesaurus)

The clinical course follows a progression of malabsorption leading to nutritional deficiencies, small bowel ulceration/perforation, lymphoma and infection.

(Collagenous Sprue, NCI Thesaurus)

Infection in the abdominal cavity resulting from injury, acute intestinal inflammation (e.g., acute appendicitis), intestinal perforation, or complication of abdominal surgery.

(Abdominal Infection, NCI Thesaurus)

Bowel perforation in utero that may result in meconium peritonitis.

(In Utero Bowel Perforation, NCI Thesaurus)

Six days after injections, the researchers found that the growing neurons exclusively filled their chambers while the growing blood vessel cells not only lined their chamber in a cobblestone pattern reminiscent of vessels in the body, but also snuck through the perforations in the chamber walls and contacted the neurons.

(Researchers begin recreating human spinal cords on a chip, National Institutes of Health)

It may lead to numerous complications, such as pseudomediastinum (air trapped in the chest between both lungs), perforation of the tympanic membrane (perforated eardrum), and even rupture of a cerebral aneurysm (ballooning blood vessel in the brain), they explain.

(Blocking A Sneeze, Man Ruptures Throat, The Titi Tudorancea Bulletin)