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
No meanings yet for this word...
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 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.
13 5 noun
n
noun
• a psychoactive drug that induces hallucinations or altered sensory experiences
Example sentence • Many hallucinogens are illegal substances.
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 3 noun
n
No meanings yet for this word...
Example sentence • The thermal breakdown of kerogens produces usable hydrocarbons.
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 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.
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.
8 3 noun
n
noun
• any agent (physical or environmental) that can induce a genetic mutation or can increase the rate of mutation
Example sentence • Exposure to certain mutagens has been linked to an increased risk of cancer.
14 6 noun, adjective
n, adj
No meanings yet for this word...
Example sentence • The pH of a solution can affect the stability of ferrocyanogens .
7 2 noun, adjective
n, adj
No meanings yet for this word...
7 3 noun
n
No meanings yet for this word...
Example sentence • The Rocky Mountains and the Appalachian Mountains are both orogens .
14 5 noun, adjective
n, adj
No meanings yet for this word...
Example sentence • The orthohydrogens in the compound contribute to its stability.
13 6 noun, adjective
n, adj
No meanings yet for this word...
Example sentence • Scientists are studying the effects of paracyanogens on human health.
13 5 noun
n
No meanings yet for this word...
Example sentence • The chemical properties of parahydrogens differ from that of normal hydrogen.
13 6 noun
n
noun
• a chromogen formed in the intestine from the breakdown of bilirubin; yields urobilins on oxidation; some is excreted in the feces and some is resorbed and excreted in bile or urine
Example sentence • A high level of urobilinogens in the urine can indicate liver disease.
12 5 noun
n
No meanings yet for this word...
Example sentence • Many fruits and vegetables contain natural antimutagens that help protect our DNA from damage.
12 5 noun
n
No meanings yet for this word...
Example sentence • Some esthesiogens are known to enhance the sense of touch.
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.
4 1 noun
n
noun
• the habitation of wild animals
Example sentence • Many animals hibernate in dens during winter.
6 2 noun
n
noun
• a large number or amount
Example sentence • There were dozens of people waiting in line for the concert tickets.
7 2 noun
n
noun
• the apparent surface of the imaginary sphere on which celestial bodies appear to be projected
Example sentence • The stars in the heavens twinkled in the dark night sky.
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.
9 4 noun, adjective
n, adj
No meanings yet for this word...
Example sentence • Researchers are studying amylogens to better understand their role in starch synthesis.
13 5 noun
n
No meanings yet for this word...
Example sentence • The patient was prescribed antiestrogens to reduce the hormone levels.
11 4 adjective
adj
No meanings yet for this word...
Example sentence • Some plants are known to be dermatogens .
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.
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
No meanings yet for this word...
Example sentence • The lysogens of bacteriophages are able to undergo both lytic and lysogenic life cycles.
10 4 noun
n
No meanings yet for this word...
Example sentence • Some bacteria release mucinogens to break down mucus in the body.
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 .
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.
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.
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.
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.
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.
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?
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