9 3 noun n noun
• a general term for female steroid sex hormones that are secreted by the ovary and responsible for typical female sexual characteristics
Example sentence • Some birth control pills contain synthetic estrogens .
7 3 noun n noun
• flowering plant with two cotyledons; the stem grows by deposit on its outside
Example sentence • Some exogens have medicinal properties.
9 3 noun n noun
• a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
Example sentence • The atmosphere contains a high concentration of nitrogens .
8 3 noun n noun
• any substance characterized by its great flammability
Example sentence • The presence of pyrogens in the vaccine caused an adverse reaction.
10 4 noun n noun
• any agent that interferes with normal embryonic development: alcohol or thalidomide or X-rays or rubella are examples
Example sentence • Exposure to certain teratogens during pregnancy can result in congenital abnormalities.
13 5 noun n noun
• any substance that acts as an antigen to cause agglutinin production
Example sentence • The presence of agglutinogens in blood determines a person's blood type.
15 6 noun n
No meanings yet for this word...
Example sentence • Consuming fruits and vegetables rich in anticarcinogens may reduce the risk of certain cancers.
13 5 noun n
No meanings yet for this word...
Example sentence • The patient was prescribed antiestrogens to reduce the hormone levels.
7 3 noun n
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Example sentence • Scientists study biogens to understand the origin of life.
9 3 noun n
No meanings yet for this word...
Example sentence • The interaction between diplogens and antigens is critical for immunological responses.
12 4 noun n
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Example sentence • The scientist conducted research on the effect of leucaemogens on the human body.
8 3 noun n
No meanings yet for this word...
Example sentence • Mutations in oncogens can lead to uncontrolled cell growth.
9 3 noun n
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Example sentence • Certain types of algae contain photogens that aid in photosynthesis.
11 3 noun n
No meanings yet for this word...
Example sentence • Researchers are studying the effects of thrombogens on blood coagulation.
9 4
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Example sentence • The doctor prescribed osteogens to help speed up the healing process.
4 1 noun n noun
• a transparent optical device used to converge or diverge transmitted light and to form images
Example sentence • She wiped the lens of her camera before taking a picture.
9 3 noun n noun
• male sex hormone that is produced in the testes and responsible for typical male sexual characteristics
Example sentence • Testosterone is one of the most well-known androgens .
4 1 noun n noun
• the habitation of wild animals
Example sentence • Many animals hibernate in dens during winter.
8 3 noun n noun
• any flowerless plant such as a fern (pteridophyte) or moss (bryophyte) in which growth occurs only at the tip of the main stem
Example sentence • Some examples of acrogens include ferns and horsetails.
9 4
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Example sentence • Scientists have discovered a new species of amidogens in the deep sea.
9 4 noun n noun
• a colorless toxic gas with a pungent almond odor; has been used in chemical warfare
Example sentence • Potato peels contain cyanogens , which can be toxic if ingested in large amounts.
11 4 adjective adj
No meanings yet for this word...
Example sentence • Some plants are known to be dermatogens .
11 4 noun n noun
• a protein present in blood plasma; converts to fibrin when blood clots
Example sentence • During injury, fibrinogens are converted to fibrin to form a blood clot.
9 3 noun, adjective n, adj noun
• a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe
Example sentence • Water is composed of two hydrogens and one oxygen.
10 4 noun n noun
• any substance or organism that provokes an immune response (produces immunity) when introduced into the body
Example sentence • The new vaccine contains several different immunogens .
8 4 noun n
No meanings yet for this word...
Example sentence • The presence of ionogens in the solution affected the conductivity.
8 3 noun n
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Example sentence • The thermal breakdown of kerogens produces usable hydrocarbons.
8 3 noun n
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Example sentence • The lysogens of bacteriophages are able to undergo both lytic and lysogenic life cycles.
10 3 noun n noun
• Any substance that governs the movement and development of cells during morphogenesis by forming a concentration gradient in the developing tissue.
Example sentence • Scientists are studying the role of morphogens in pattern formation.
10 4 noun n
No meanings yet for this word...
Example sentence • Some bacteria release mucinogens to break down mucus in the body.
10 3 noun n noun
• a general term for female steroid sex hormones that are secreted by the ovary and responsible for typical female sexual characteristics
Example sentence • High levels of oestrogens in the body can be found during pregnancy.
9 3 noun n noun
• any disease-producing agent (especially a virus or bacterium or other microorganism)
Example sentence • Certain pathogens can cause a variety of diseases in humans.
11 4 noun n noun
• precursor of pepsin; stored in the stomach walls and converted to pepsin by hydrochloric acid in the stomach
Example sentence • The production of pepsinogens is stimulated by gastrin.
10 3 noun n
No meanings yet for this word...
Example sentence • The growth of phellogens is influenced by environmental factors.
12 4 noun n noun
• an inactive form of plasmin that occurs in plasma and is converted to plasmin by organic solvents
Example sentence • Doctors use plasminogens as a diagnostic tool for certain medical conditions.
15 6 noun n
No meanings yet for this word...
Example sentence • The vaccine is designed to stimulate the immune system and prevent encephalitogens from causing brain inflammation.
3 1 noun n noun
• half the width of an em
4 1 noun n noun
• 100 fen equal 1 yuan in China
Example sentence • The fens are a type of wetland characterized by marshy, low-lying areas.
13 5 noun n noun
• a psychoactive drug that induces hallucinations or altered sensory experiences
Example sentence • Many hallucinogens are illegal substances.
6 2 noun n noun
• a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions
Example sentence • A 60-watt incandescent light bulb typically produces about 800 lumens of light output.
14 5 noun n
No meanings yet for this word...
Example sentence • Farmers often use pesticides to control phytopathogens .
15 6 noun n
No meanings yet for this word...
Example sentence • The researchers isolated several precipitinogens from the blood samples of the infected patients.
7 2 noun n noun
• the male reproductive organ of a flower
Example sentence • The flower had five stamens .
5 1 noun n noun
• any of several small active brown birds of the Northern Hemisphere with short upright tails; they feed on insects
Example sentence • We saw a family of wrens building a nest in our backyard.
7 2 noun, adjective n, adj adjective
• of or relating to or characteristic of Homo sapiens
Example sentence • Homo sapiens is the scientific name for modern human beings.
7 2 noun n noun
• a word used in exclamations of confusion
Example sentence • What the dickens are you doing?
8 3 noun n noun
• an additional name or an epithet appended to a name (as in `Ferdinand the Great')
12 4 noun n
No meanings yet for this word...
Example sentence • The immune system recognizes alloantigens as foreign and launches an immune response.
5 2 noun n noun
• a primeval Egyptian personification of air and breath; worshipped especially at Thebes
Example sentence • The congregation responded with loud amens at the end of the prayer.
8 3 noun n noun
• any substance (as a toxin or enzyme) that stimulates an immune response in the body (especially the production of antibodies)
Example sentence • The presence of antigens in the blood can indicate an infection.
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