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 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.
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.
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.
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.
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.
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 .
14 5 noun
n
No meanings yet for this word...
Example sentence • Farmers often use pesticides to control phytopathogens .
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.
7 3 noun
n
No meanings yet for this word...
Example sentence • The Rocky Mountains and the Appalachian Mountains are both orogens .
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...
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.
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