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.
12 4 noun n
No meanings yet for this word...
Example sentence • The immune system recognizes alloantigens as foreign and launches an immune response.
11 4 noun n
No meanings yet for this word...
Example sentence • Certain isoantigens can trigger an immune response in individuals who lack them.
7 3 noun n noun
• a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust
Example sentence • The scuba diver carried two oxygens tanks.
5 1 verb, noun v, n noun
• to have the ability to produce a particular effect or achieve an end
Example sentence • Money is a means to buy things.
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.
5 1 noun n noun
• (used in the plural) close-fitting trousers of heavy denim for manual work or casual wear
Example sentence • I need to buy a new pair of jeans .
6 1 noun n noun
• a borough of New York City, it is the easternmost, largest in area, and second-largest in population of New York City's five boroughs
4 1 noun n noun
• the habitation of wild animals
Example sentence • Many animals hibernate in dens during winter.
8 3 verb v verb
• form a mental image of something that is not present or that is not the case
Example sentence • She imagines herself living in a different country.
8 3 noun n noun
• an indigenous person who was born in a particular place
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.
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
• 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.
8 3 noun n noun
• an additional name or an epithet appended to a name (as in `Ferdinand the Great')
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.
6 2
No meanings yet for this word...
8 3 noun n noun
• A machine that automatically writes a person's signature.
Example sentence • The office used autopens to sign hundreds of documents quickly.
7 3 verb v verb
• cause to become awake or conscious
Example sentence • The sound of the alarm clock awakens me every morning.
9 3 verb, noun v, n
No meanings yet for this word...
9 3 verb v
No meanings yet for this word...
Example sentence • The room bedarkens as the sun sets.
4 1 noun n noun
• a mountain or tall hill
8 3 verb v verb
• be a signal for or a symptom of
Example sentence • The sudden drop in temperature betokens the onset of winter.
7 3 noun n
No meanings yet for this word...
Example sentence • Scientists study biogens to understand the origin of life.
5 1 noun n noun
• a submachine gun operated by gas pressure; used by the British in World War II
8 2 verb v Example sentence • Travel broadens the mind.
9 3 noun n noun
• A plant that has been deliberately altered or selected by humans, that is it has resulted from artificial rather than natural selection.
Example sentence • Wheat and corn are two common cultigens .
8 3 noun n noun
• a person who inhabits a particular place
Example sentence • The park is teeming with denizens such as squirrels, birds, and rabbits.
10 3 verb v verb
• take the burden off; remove the burden from
8 3 noun
• the older inactive central wood of a tree or woody plant; usually darker and denser than the surrounding sapwood
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 2 verb v Example sentence • She flattens the dough with a rolling pin.
8 3 noun n
No meanings yet for this word...
Example sentence • The foramens in the skull allow for the passage of blood vessels.
7 2 noun n noun
• a plot of ground where plants are cultivated
adjective satellite
• the usual or familiar type
Example sentence • The botanical gardens had a wide variety of exotic plants.
8 2 verb v Example sentence • Winning the game gladdens the team and their fans.
5 1 noun n noun
• a narrow secluded valley (in the mountains)
Example sentence • The glens of Scotland are famous for their natural beauty.
7 2 noun n noun
• An elongated block of the Earth's crust, bounded by faults, that has dropped relative to the surrounding area.
Example sentence • The East African Rift System is characterized by several grabens .
9 3 noun n
No meanings yet for this word...
Example sentence • The gravamens of the case include defamation and fraud.
8 2 noun n Example sentence • The greyhens were pecking at the grass searching for insects.
7 2 noun n noun
• the basic unit of money in Suriname; equal to 100 cents
Example sentence • He had a collection of old guldens from different countries.
7 2 verb v Example sentence • She hardens her heart and refuses to forgive those who have wronged her.
9 3 noun n
No meanings yet for this word...
Example sentence • I saw a flock of hazelhens in the forest.
8 3 noun n
No meanings yet for this word...
Example sentence • The hegumens gathered for the annual conference.
4 1 noun n Example sentence • The hens were scratching around in the yard.
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