"Sulidae" Natural Recordings by Native Speakers
A family of seabirds commonly known as gannets and boobies.
Sulfoxides are a class of organosulfur compounds that contain a sulfur atom bonded to a hydrocarbyl group and an oxygen atom. The general formula for sulfoxides is [R-S(O)-R'], where R and R' are hydrocarbyl groups, such as alkyl or aryl groups. <br><br>Sulfoxides are formed through the oxidation of sulfides, where one hydrogen atom is replaced by an oxygen atom. They can also be synthesized by the reaction of a thiol with an acid anhydride or an oxidizing agent. <br><br>Sulfoxides are versatile compounds with a wide range of applications in various fields, including:<br><br>1. Pharmaceuticals: Many sulfoxides are used as intermediates in the synthesis of pharmaceuticals, such as analgesics, antihistamines, and antiseptics.<br>2. Agrochemicals: Sulfoxides are used as intermediates in the synthesis of pesticides and herbicides.<br>3. Materials science: Sulfoxides are used as reagents in the synthesis of polymeric materials, such as sulfoxide-containing polymers.<br>4. Biomedical research: Sulfoxides are used as reagents in biomedical research, such as in the study of the biochemistry of enzymes.<br><br>Some examples of sulfoxides include:<br><br> Dimethyl sulfoxide (DMSO), a solvent commonly used in laboratories and pharmaceutical applications.<br> Methyl ethyl sulfoxide (mesityl oxide), a compound used in the synthesis of polymers and resins.<br> Benzyl methyl sulfoxide, a compound used in the synthesis of pharmaceuticals and agrochemicals.<br><br>Sulfoxides exhibit a range of physical and chemical properties, such as:<br><br> Hydrogen bonding: Sulfoxides can form hydrogen bonds with water and other polar solvents, making them soluble in these solvents.<br> Acid-base properties: Sulfoxides can act as Lewis bases, accepting lone pairs of electrons.<br> Reactivity: Sulfoxides can undergo a range of reactions, including nucleophilic substitution, elimination, and rearrangement reactions.<br><br>Overall, sulfoxides are an important class of organosulfur compounds with a wide range of applications in various fields.
Sulfur is a chemical element with the symbol S and atomic number 16. It is a bright yellow crystalline solid at room temperature, gaseous below a faint red lead at standard conditions. It is the eleventh most abundant element by mass in the universe. Its name comes from the Latin word "sulfur," which is also the source of sulfur's symbol on the periodic table.
Sulfurated refers to something that is saturated or impregnated with sulfur, or has been treated with sulfur.
Treated with or containing sulfur, especially in a way that gives a characteristic odor or characteristic flavor; made sour or pungent with sulfur.
A sulfuret is a compound that contains sulfur and a metal, often in the form of a salt, that is found in nature or produced through chemical reactions.
The verb "sulfuring" can be a contamination occurring in wine making if sulfur dioxide is seriously in excess with less intake of oxygen and alcohol is diminished.
having or given off a smell of sulfur, strongly disagreeable and unpleasant, typical of something that is tainted or contaminated.
Sulindac is a nonsteroidal anti-inflammatory drug (NSAID) that is used to reduce pain, inflammation, and stiffness caused by arthritis. It works by inhibiting the synthesis of prostaglandins, which are chemical messengers that cause pain, inflammation, and fever. Sulindac is available by prescription only and is typically taken orally.
To sulk is to make yourself deliberately unhappy or unfriendly, especially because you are feeling sad or offended. It can also mean to hang around or sit in a surly manner, often with a scowl or a scowling expression, usually because someone is upset or displeased about something.
Admitting or showing a grouchy feeling, often with a sense of being pessimistic or displeased, typically because of something that has occurred.
Sulkiness refers to a state of being sulky, which means being in a gloomy, annoyed, or sulky mood, often as a result of being disappointed or frustrated. It can also describe a tendency to sulk, which involves behaving in a sulky or petulant manner, often in an attempt to get attention or sympathy.<br><br>Example sentences:<br><br> Her sulkiness made her difficult to be around.<br> The child's sulkiness was palpable, and the whole family felt it.<br> He looked particularly sulky after losing the game.
The word "sulky" refers to a facial expression or attitude that shows displeasure, annoyance, or sullenness, often accompanied by a downturned mouth and a sullen or gloomy demeanor. It can also describe someone who is being sulky, which means they are in a bad mood or are being uncooperative or unresponsive.<br><br>Example: "The child became sulky when he didn't get his way."<br><br>Synonyms: sulky, sullen, glum, sulk, grumpy, moody, petulant.<br><br>Antonyms: cheerful, happy, sunny, pleasant, open-minded.