8 3 noun
n
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 hydrogen atoms and one oxygen atom.
6 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 • Plants release oxygen as a byproduct of photosynthesis.
8 3 noun, adjective
n, adj
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 estrogen during pregnancy contribute to the growth of the fetus.
6 3 noun
n
noun
• the place where something begins, where it springs into being
Example sentence • The origin of the universe is still a topic of debate among scientists.
8 3 noun, adjective
n, adj
noun
• any disease-producing agent (especially a virus or bacterium or other microorganism)
Example sentence • The pathogen responsible for the outbreak has been identified as a strain of flu virus.
7 3 noun, adjective
n, adj
noun
• any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions
Example sentence • Iodine is a halogen that is commonly used as an antiseptic.
10 4 noun
n
noun
• any substance that produces cancer
Example sentence • Smoking is a well-known carcinogen .
7 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 vaccine works by introducing a weakened form of the antigen to stimulate the immune system.
7 3 noun, adjective
n, adj
No meanings yet for this word...
Example sentence • Researchers are studying the effects of pirogen on the immune system.
5 2 noun
n
noun
• an adult female person (as opposed to a man)
Example sentence • She is a strong and independent woman .
12 5 noun
n
noun
• any substance that acts as an antigen to cause agglutinin production
Example sentence • The presence or absence of certain agglutinogens can determine if blood will agglutinate or not.
6 2 adjective
adj
adjective
• physically and forcibly separated into pieces or cracked or split
adjective satellite
• subdued or brought low in condition or status
Example sentence • The broken window needs to be replaced.
8 4 adjective
adj
noun
• a colorless toxic gas with a pungent almond odor; has been used in chemical warfare
10 4 noun
n
noun
• precursor of pepsin; stored in the stomach walls and converted to pepsin by hydrochloric acid in the stomach
Example sentence • High levels of pepsinogen in the blood may indicate damage to the gastric mucosa.
11 4 noun
n
noun
• an inactive form of plasmin that occurs in plasma and is converted to plasmin by organic solvents
Example sentence • Deficiency in plasminogen can lead to increased risk of thrombosis.
9 4 noun
n
noun
• any agent that interferes with normal embryonic development: alcohol or thalidomide or X-rays or rubella are examples
Example sentence • Alcohol is a well-known teratogen that can cause birth defects.
7 2 verb, adjective
v, adj
adjective
• set down in writing in any of various ways
Example sentence • I found a written note on the ground.
10 4 noun
n
No meanings yet for this word...
Example sentence • The dermatogen cream proved to be very effective in reducing redness and irritation.
14 6 noun
n
No meanings yet for this word...
Example sentence • Scientists are studying the properties and characteristics of the precipitinogen in order to develop new diagnostic tests.
8 2 verb, adjective
v, adj
adjective satellite
• grievously affected especially by disease
Example sentence • He was stricken with grief after the loss of his beloved pet.
5 2 noun
n
noun
• an adult female person (as opposed to a man)
Example sentence • She is one of the most influential women in the industry.
6 2 noun, adjective
n, adj
noun
• a faint constellation twisting around the North Celestial Pole and lying between Ursa Major and Cepheus
Example sentence • The dragon breathed fire and destroyed the entire village.
6 2 noun
n
noun
• a rational motive for a belief or action
verb
• decide by reasoning; draw or come to a conclusion
Example sentence • There is no reason to be upset about minor setbacks.
6 2 noun
n
noun
• a correctional institution where persons are confined while on trial or for punishment
Example sentence • He was sentenced to five years in prison for his crimes.
9 3 adjective
adj
adjective satellite
• confined to bed (by illness)
Example sentence • She has been bedridden for weeks due to illness.
8 2 verb
v
Example sentence • They will christen their baby at the local church.
7 2 verb
v
Example sentence • I need to freshen up before we go out to dinner.
11 3 adjective
adj
Example sentence • I received a handwritten letter from my grandmother.
10 2 verb
v
verb
• straighten up or out; make straight
Example sentence • She straightened her hair before going to the party.
9 3 verb
v
noun
• something that has been written again
verb
• write differently; alter the writing of
Example sentence • With the help of an editor, the article was rewritten to eliminate grammatical errors.
6 2 verb, adjective
v, adj
noun
• a journey in a vehicle (usually an automobile)
verb
• sit and travel on the back of animal, usually while controlling its motions
Example sentence • The broken bike had never been ridden before.
6 2 noun, adjective
n, adj
noun
• any instrument or instrumentality used in fighting or hunting
Example sentence • He was armed with a deadly weapon .
6 3 verb
v
verb
• cause to become awake or conscious
Example sentence • She awakened to the sound of birds singing outside her window.
6 2 adjective
adj
adjective satellite
• compelled forcibly by an outside agency
Example sentence • She is a driven individual who always strives for success.
8 2 verb
v
Example sentence • The loud thunder frightened the dog.
6 2 verb, adverb, adjective
v, adv, adj
adjective
• turned into ice; affected by freezing or by long and severe cold
Example sentence • She served us frozen yogurt for dessert.
6 2 verb, adjective
v, adj
adjective
• established beyond doubt
Example sentence • He is a proven expert in his field.
6 2 adjective
adj
Example sentence • The apple I bit into was rotten and inedible.
8 2 verb
v
verb
• pose a threat to; present a danger to
Example sentence • He threatened to sue me if I didn't comply.
7 2 noun
n
noun
• a crime that undermines the offender's government
Example sentence • He was convicted of treason for betraying his country.
6 2 noun
n
noun
• the extended spatial location of something
Example sentence • The desert region of the Southwest is known for its extreme temperatures.
11 3 adjective
adj
adjective satellite
• abused or oppressed by people in power
Example sentence • The downtrodden workers protested against the unjust treatment by their employers.
5 2 adverb, adjective
adv, adj
noun
• an assumption that is taken for granted
adjective satellite
• acknowledged as a supposition
Example sentence • Her given name is Elizabeth, but she goes by Liz.
5 2 noun
n
noun
• the cardinal number that is the sum of six and one
adjective satellite
• being one more than six
Example sentence • He won the jackpot with the lucky number seven .
6 2 adverb, adjective
adv, adj
adjective
• happening without warning or in a short space of time
Example sentence • I was startled by the sudden noise.
7 2 adjective
adj
adjective satellite
• characteristic of false pride; having an exaggerated sense of self-importance
Example sentence • Her ankle was swollen after she twisted it during the game.
6 2 verb, noun
v, n
noun
• a series of connected underground tunnels occupied by rabbits
Example sentence • We stumbled upon a warren of rabbits in the field.
6 2 adverb, adjective
adv, adj
adjective satellite
• made or consisting of (entirely or in part) or employing wood
Example sentence • The wooden chair creaked as I sat down.
5 2 verb, adjective
v, adj
noun
• an island in the western Pacific between Guam and Hawaii
verb
• be awake, be alert, be there
Example sentence • She was woken up by the sound of her alarm.
10 4 noun
n
noun
• the act of examining resemblances
Example sentence • In comparison to last year, sales have increased by 20%.
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