Nursing glossary

20 Nursing terms

Hello, my name is Élise, and I am currently enrolled in a nursing program. As a nursing student, I am learning to navigate a professional field that relies heavily on specialized medical, technical, and clinical vocabulary. During both theoretical courses and clinical placements, understanding and correctly using this terminology is essential, yet it can sometimes be challenging due to the volume and complexity of new terms encountered. This glossary was created as a learning and reference tool for nursing students, particularly those early in their training, as well as for anyone interested in better understanding the language used in nursing practice. The purpose of this glossary is to support academic success, improve professional communication, and promote confidence when interpreting clinical information or interacting within healthcare settings. The topic of this glossary focuses on commonly used nursing terms that are frequently encountered in academic coursework and real-world clinical environments. A lack of understanding of medical terminology can lead to miscommunication, increased stress for students, and potential risks to patient safety. By providing clear, simple, and precise definitions, this glossary helps bridge the gap between theory and practice and contributes to safer, higher-quality patient care. This glossary contains 20 key nursing terms, each defined in straightforward language to make them easy to understand and remember. The terms were selected based on their frequency of use in nursing textbooks, lectures, clinical documentation, and placement experiences. Definitions were gathered and adapted from reliable academic sources such as nursing textbooks, course materials, and trusted medical references to ensure accuracy while remaining accessible to learners. Readers are encouraged to use this glossary as an ongoing reference throughout their studies and clinical practice by is regularly consulting it, students can strengthen their knowledge, increase their autonomy, and build confidence in their ability to communicate effectively as future nursing professionals.

Antibiotic
Noun
Antibiotics are powerful medicinal compounds—either natural or synthetic—that treat bacterial infections by killing bacteria or inhibiting their ability to grow and multiply.
Example: The doctor prescribed an antibiotic for the bacterial infection.
en: Antibiotique
Antibiotic
Asepsis
Noun
Asepsis is the state of being free from disease-causing microorganisms (pathogens) such as bacteria, viruses, and fungi, or the methods used to maintain this sterile condition.
Example: Strict asepsis was maintained during the catheter insertion.
en: Asepsie
Asepsis
Auscultation
Noun
The act of listening to the sounds that occur inside the body in order to make a diagnosis.
Example: The nurse performed cardiac auscultation during the physical assessment.
en: Auscultation
Auscultation
Blood Test
Noun
A blood test, or blood work, is a common medical analysis of a blood sample to check cells, chemicals, proteins, and other substances, helping doctors diagnose conditions, monitor chronic diseases (like diabetes or heart disease), check organ function (liver, kidneys, thyroid), assess treatment effectiveness, and screen for infections or disorders, often done during routine checkups or when someone is ill.
Example: The doctor ordered a blood test to check for infection.
en: Prise de sang
Blood Test
Cancer
Noun
Cancer is a large group of diseases characterized by the uncontrolled growth and spread of abnormal cells, which can invade nearby tissues and metastasize to other parts of the body.
Example: She is currently undergoing treatment for cancer.
en: Cancer
Cancer
Capillary Blood Glucose
Noun
Capillary blood glucose (CBG) is a common, simple way to check blood sugar levels using a small drop of blood, usually from a finger prick, analyzed with a glucometer and test strip for quick results, vital for diabetes self-management to monitor diet, exercise, and treatment effectiveness.
Example: Capillary blood glucose was measured before breakfast.
en: Glycémie capillaire
Capillary Blood Glucose
Catheter
Noun
A catheter is a thin, flexible, or rigid hollow tube made of medical-grade materials inserted into body cavities, ducts, or vessels to drain fluids (like urine), administer medication/fluids (IV), or allow access for surgical instruments.
Example: The IV catheter needs to be replaced due to infiltration.
en: Cathéter
Catheter
Code Blue
Noun
A Code Blue is a, emergency announcement in hospitals and healthcare facilities signaling a life-threatening, medical crisis—usually cardiac or respiratory arrest.
Example: A Code Blue was called for a patient in cardiac arrest.
en: Code bleu
Code Blue
Cyanosis
Noun
A bluish discoloration of the skin resulting from poor circulation or inadequate oxygenation of the blood.
Example: The patient developed cyanosis around the lips.
en: Cyanose
Cyanonis
Dyspnea
Noun
Dyspnea, commonly known as shortness of breath or breathlessness, is the subjective, uncomfortable, and often frightening sensation of being unable to breathe normally, get enough air ("air hunger"), or take a deep enough breath.
Example: Oxygen therapy was initiated due to increased dyspnea.
en: Dyspnée
Dyspnea
Edema
Noun
Edema is the medical term for swelling caused by an abnormal buildup of excess fluid in the body's tissues, most commonly occurring in the legs, feet, ankles, and hands.
Example: Elevation of the legs helped reduce the edema.
en: Oedème
Edema
Headache
Noun
A continuous pain in the head.
Example: The headache was relieved after taking acetaminophen.
en: Mal de tête
Headache
Isolation
Noun
A specialized, infection-control approach in healthcare that restricts the movement and interaction of patients with contagious diseases to prevent the spread of microorganisms to other patients, staff, and visitors.
Example: The patient was placed in isolation due to a contagious infection.
en: Isolation
Isolation
IV Solution
Noun
An IV (intravenous) solution is a sterile liquid, often containing water, electrolytes (like sodium, potassium), and sugar (glucose), administered directly into a vein to quickly rehydrate, deliver medication, provide nutrition, or restore lost fluids/balance, commonly used for dehydration, surgery, illness, or injury.
Example: The patient is receiving an IV solution at 100 mL per hour.
en: Solution IV
IV Solution
Laboratory
Noun
A room or building equipped for scientific experiments, research, or teaching, or for the manufacture of drugs or chemicals.
Example: The nurse reviewed the laboratory findings before administering medication.
en: Laboratoire
Laboratory
Nasogastric tube
Noun
An NG tube (nasogastric tube) is a thin, flexible tube inserted through the nose, down the throat, and into the stomach to provide nutrition (formula), fluids, and medications, or to remove stomach contents for decompression, often for short-term use when a person can't eat or swallow safely.
Example: The patient is receiving enteral nutrition through a nasogastric tube.
en: Sonde nasogastrique
Nasogastric tube
Side effects
Noun
A secondary, typically undesirable effect of a drug or medical treatment.
Example: The patient reported nausea as a side effect of the medication.
en: Effets secondaires
Side effects
stethoscope
Noun
A medical instrument for listening to the action of someone's heart or breathing, typically having a small disk-shaped resonator that is placed against the chest, and two tubes connected to earpieces.
Example: The doctor placed the stethoscope on the patient’s chest.
en: Stéthoscope
Stethoscope
Tachycardia
Noun
Tachycardia is an arrhythmia (abnormal heart rhythm) defined as a resting heart rate that exceeds 100 beats per minute (bpm) in adults.
Example: Tachycardia was noted on the cardiac monitor.
en: Tachycardie
Tachycardia
Vital Signs
Noun
Vital signs are essential, objective measurements of the body's most basic functions, used by healthcare professionals to evaluate physical health, detect medical problems, and monitor treatment.
Example: The patient’s vital signs were stable after surgery.
en: Signes vitaux
Vital Signs