Words Starting With "O"

Our pre-recorded sounds are fast, clear, and natural, spoken by native speakers.

Oxoglutarate

speak

Oxoglutarate is a biologically important molecule that serves as a cofactor in various enzyme-catalyzed reactions. It is a derivative of alpha-ketoglutarate, which is an important intermediate in the citric acid cycle. Oxoglutarate plays a key role in various cellular processes, including the regulation of gene expression, the modification of proteins, and the regulation of cellular metabolism.

Oxolinic

speak

Oxolinic refers to an oxolinic acid, a type of antibiotic used to treat a range of bacterial infections, particularly those caused by gram-negative bacteria. It is often used topically to treat eye infections, such as conjunctivitis, and orally to treat ear, nose, and throat infections, urinary tract infections, and respiratory infections.

Oxon

speak

Oxon is an abbreviation for Oxfordshire, a county in South East England, especially in reference to Oxford University, which is located there. It is sometimes used as a postal abbreviation for Oxfordshire, similar to "Esx" for Essex or "Berks" for Berkshire.

Oxonian

speak

A person from Oxford, especially a student or graduate of Oxford University.

Oxonians

speak

Oxonians refers to people from Oxford, a city in south-east England, or individuals who have attended Oxford University, one of the most prestigious universities in the world.

Oxonium

speak

Oxonium is a chemical compound that refers to a positively charged hydroxyl ion (OH+) or an oxonium ion. It is formed when a molecule of water (H2O) loses an electron to become a positively charged ion.

Oxoprolinuria

speak

Oxoprolinuria is a rare genetic disorder caused by a deficiency of the enzyme delta-1-pyrroline-5-carboxylate synthase, which is responsible for converting the amino acids proline and ornithine into their corresponding carbamoyl precursors. This leads to a buildup of oxoprolin (pyrroline-5-carboxylate) in the urine, resulting in oxoprolinuria. The disorder often presents with symptoms such as intellectual disability, seizures, and a tendency to develop kidney stones.

Oxotremorine

speak

Oxotremorine is a synthetic muscarinic receptor agonist, a type of chemical that stimulates the muscarinic receptors in the body. It is primarily used as a medical research tool to study the effects of muscarinic receptors on the nervous system and to develop new treatments for various diseases.

Oxtail

speak

Oxtail is a cut of beef that comes from the tail of an ox or cow. It is often used in slow-cooked dishes, such as stews or braises, due to its tough texture and rich flavor. Oxtail is particularly popular in many Caribbean and Latin American cuisines, where it is often cooked in a rich broth with vegetables and spices. The meat is typically slow-cooked until it becomes tender and falls-apart, making it a comforting and flavorful dish.

Oxter

speak

The word "oxter" refers to the armpit or the region between the shoulder and the hip. It is often used in informal or regional contexts, particularly in British English.

Oxyacanthous

speak

Oxyacanthous means: resembling or characteristic of hawthorn, a type of thorny shrub or small tree.

Oxyacetic

speak

Oxyacetic acid is a type of organic compound that is often used in the production of pharmaceuticals, cosmetics, and other chemicals. It is also known as oxyacetic acid or glycolic acid. It is a colorless, crystalline substance that has a strong, acidic smell. It is used in a variety of applications, including as a intermediate in the production of certain pharmaceuticals, as a stabilizer in emulsions and foams, and as a solvent in pharmaceutical manufacturing.

Oxyacetylene

speak

Oxyacetylene is a mixture of oxygen and acetylene gases that is used to produce a very high-temperature flame, typically above 5,500°F (3,000°C). This flame is often used for welding, cutting, and brazing metals, as well as for various industrial processes. The oxyacetylene torch is a handheld device that mixes the gases and ignites the flame, allowing for precise control over the temperature and intensity of the heat.

Oxyacid

speak

An oxyacid is a type of acid that contains oxygen and has at least one hydroxyl (-OH) group. Oxyacids are formed when an acid such as sulfuric acid (H2SO4) or nitric acid (HNO3) reacts with water to form a compound that contains oxygen and hydrogen.

Oxyanion

speak

An oxyanion is a negatively charged ion that has one or more oxygen atoms attached to a central atom, usually a metal. It is formed when an acid is mixed with a base and an electron is transferred from the base to the acid. The resulting ion is called an oxyanion because it contains oxygen atoms. Examples of oxyanions include sulfate, nitrate, and phosphate.

Oxyanions

speak

Oxyanions are a type of anion that contains oxygen and another electronegative element, typically a halogen, chalcogen, or pnictogen. They are formed when an atom of the electropositive element, such as aluminum, boron, or silicon, loses one or more electrons to an atom of the electronegative element, resulting in the formation of a polyatomic anion. Oxyanions can be found naturally in many minerals and are also used in many industrial and biological processes.

Oxybelis

speak

Oxybelis is a genus of nonvenomous snakes, commonly known as cat-eared snakes or false coral snakes. They are found in Central and South America. The name "Oxybelis" is derived from the Greek words "oxys" meaning sharp and "belis" meaning arrow, likely referring to the snake's sharp and pointed scales.

Oxybenzene

speak

Oxybenzene is a type of chemical compound, specifically a benzene ring with an oxygen atom attached to it. In chemistry, it is a common functional group, often found in organic compounds. It is also known as phenol or hydroxybenzene.

Oxybenzoic

speak

Oxybenzoic acid is a type of aromatic carboxylic acid. It is a synthetic ingredient commonly used in personal care products, such as sunscreen lotions, creams, and lip balms, due to its ability to absorb ultraviolet (UV) light. It is also used as a food additive and has antioxidant properties. Oxybenzoic acid is believed to be safe for use in cosmetics and food products, but some studies have raised concerns about its potential effects on hormone regulation and other aspects of human health.

Oxybenzone

speak

Oxybenzone is a type of chemical that is commonly used in sunscreen products to absorb and scatter UV radiation. It is usually added to the formula of a sunscreen in combination with other active ingredients to provide broad-spectrum protection against both UVA and UVB rays.

Oxyblepsia

speak

Oxyblepsia is a rare and obscure term that refers to a visual disorder characterized by an abnormal perception of the relationship between the size and distance of objects. Specifically, it is described as a condition where close objects appear larger than distant objects, whereas in normal vision, distant objects should appear larger.

Oxybromic

speak

Oxybromic refers to a salt or compound containing oxygen and bromine. It is a term used in chemistry to describe a class of compounds that contain both oxygen and bromine ions or atoms. Examples of oxybromic compounds include sodium bromate (NaBrO3) and potassium bromite (KBrO2).

Oxybutynin

speak

Oxybutynin is a medication that belongs to the family of anticholinergics. It is commonly used to treat symptoms of overactive bladder, such as urinary frequency, urgency, and incontinence. It works by relaxing the muscles in the bladder and urethra, reducing the contractions that can cause these symptoms. Oxybutynin is often prescribed for people with conditions such as urinary incontinence, urge incontinence, and neurogenic bladder. It is available in both oral and extended-release forms and may also be used off-label to treat other conditions, such as irritable bowel syndrome and chronic cough. However, it is important to note that oxybutynin can have potential side effects, including dry mouth, constipation, and urinary retention, and should only be used under the guidance of a healthcare provider.

Oxybutynine

speak

Oxybutynine is a medication used to treat urinary incontinence (leakage of urine) and overactive bladder (a condition characterized by frequent urgency to urinate, followed by a sudden and uncontrollable release of urine). It works by relaxing the muscles in the bladder and reducing spasms in the urethra, thereby decreasing the frequency and amount of urine produced.

Oxycalorific

speak

Oxycalorific refers to the energy released per unit of oxygen consumed when a substance is burned in the presence of oxygen. It is a measure of the efficiency of an organism or a process in extracting energy from oxygen. In other words, it measures the amount of energy produced per unit of oxygen consumed.

Oxycaproic

speak

Oxycaproic is a medication that is used to treat conditions such as severe traumatic brain injury, subarachnoid hemorrhage, and acute respiratory distress syndrome. It is a naturally occurring amino acid that can help to reduce the production of certain chemical messengers in the body that can contribute to swelling and inflammation in the brain and lungs. Its specific mechanism of action is to inhibit the production of arachidonic acid, which is a precursor to several anti-inflammatory fatty acids, by inhibiting the action of the enzyme cyclooxygenase. This can help to reduce inflammation and improve outcomes in patients with these conditions.

Oxycephaly

speak

Oxycephaly is a rare congenital disorder characterized by an abnormally elongated and narrow skull shape, typically caused by premature fusion of the cranial sutures.

Oxychloric

speak

Oxychloric refers to relating to or containing oxygen and chlorine. It is often used to describe compounds that have both oxygen and chlorine atoms bonded together, such as oxychlorides, which are inorganic compounds that contain both oxygen and chlorine.

Oxychloride

speak

Oxychloride is a chemical compound that contains oxygen (oxy-) and chlorine (chloride). It is a type of inorganic compound that is typically formed by the reaction of an acid with a base or by the substitution of chlorine for hydroxide in a compound. Oxychlorides are commonly used in various industries, including agriculture, pharmaceuticals, and construction.

Oxycodon

speak

Oxycodone is a semi-synthetic opioid medication typically used to treat moderate to severe pain.

Oxycodone

speak

Oxycodone is a semi-synthetic opioid medication used to treat moderate to severe pain. It is also known as OxyContin or Roxicet. It works by binding to opioid receptors in the brain and spinal cord, which helps to reduce the sensation of pain.

Oxycontin

speak

Oxycontin is a brand name for the pharmaceutical oxycodone, which is an opioid pain medication.

Oxyconton

speak

Oxycontin is a brand name for oxycodone, a semi-synthetic opioid medication. It is used to treat moderate to severe pain, typically for short-term pain management. However, it has been widely abused and misused due to its highly addictive nature, leading to widespread drug addiction and overdose.

Oxycotin

speak

Oxycodone is a semi-synthetic opioid medication that is used to treat moderate to severe pain. It is similar to codeine and morphine, and it is often prescribed for patients who are experiencing chronic pain or acute pain that is severe enough to require opioid medication. Oxycodone is available in various forms, including immediate-release tablets, controlled-release tablets, and oral solutions. It works by binding to opioid receptors in the brain and central nervous system, which reduces the perception of pain. However, oxycodone can also have serious side effects, including addiction and overdose, which is why it is only prescribed to patients who need it and under the close supervision of a doctor.

Oxycrate

speak

I apologize, but I couldn't find any meaning or definition for the word "oxycrate". It's possible that it's a misspelling or a word that is not widely used. Could you please provide more context or information about where you encountered this word?

Oxycymene

speak

Oxycymene is a type of cetacean, specifically a species of odontocete, which is a toothed whale. In particular, Oxycymene is a genus of sperm whales, characterized by their large forehead and prominent forehead-maxilla formation.