8 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 Earth's atmosphere is composed mostly of nitrogen .
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.
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.
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.
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.
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.
9 3 adjective adj adjective satellite
• confined to bed (by illness)
Example sentence • She has been bedridden for weeks due to illness.
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.
11 3 adjective adj Example sentence • I received a handwritten letter from my grandmother.
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.
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.
6 2 adjective adj adjective satellite
• compelled forcibly by an outside agency
Example sentence • She is a driven individual who always strives for success.
6 2 verb, adjective v, adj adjective
• established beyond doubt
Example sentence • He is a proven expert in his field.
10 3 noun n noun
• the feelings expressed on a person's face
Example sentence • She had a happy expression on her face.
10 3 noun n noun
• a vague idea in which some confidence is placed
Example sentence • Her first impression of him was that he was kind and trustworthy.
10 3 noun n noun
• a mental state characterized by a pessimistic sense of inadequacy and a despondent lack of activity
Example sentence • She has been suffering from depression for many years.
7 2 noun n noun
• fern of southeastern Asia; not hardy in cold temperate regions
Example sentence • The hikers walked through the dense bracken in the forest.
11 4 noun n noun
• a joyful occasion for special festivities to mark some happy event
Example sentence • The whole town gathered for the joyful celebration of New Year's Eve.
6 2 adjective adj adjective
• made of or resembling brass (as in color or hardness)
adjective satellite
• unrestrained by convention or propriety
verb
• face with defiance or impudence
Example sentence • She responded to the criticism with brazen defiance.
8 2 verb, adverb v, adv verb
• make more cheerful through the use of color
Example sentence • I bought some flowers to brighten up the room.
7 2 verb v Example sentence • Taking up a new hobby can help broaden your horizons.
11 3 adjective adj Example sentence • She was heartbroken when her best friend moved away.
9 4 noun n noun
• a nonsteroidal anti-inflammatory and analgesic medicine (trade names Advil and Motrin and Nuprin) used to relieve the pain of arthritis and as an antipyretic
Example sentence • I took ibuprofen to relieve my headache.
8 3 adjective adj adjective
• marked by continuous or uninterrupted extension in space or time or sequence
adjective satellite
• not subdued or trained for service or use
Example sentence • The unbroken vase stood on the shelf.
8 3 noun n noun
• one form in which body fuel is stored; stored primarily in the liver and broken down into glucose when needed by the body
Example sentence • Athletes often consume high-carbohydrate diets to maximize their glycogen stores.
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 • During pregnancy, oestrogen levels increase significantly.
11 3 verb, noun v, n noun
• an increase in the density of something
Example sentence • Data compression is widely used to reduce file sizes and optimize storage space.
11 4 noun n noun
• dryness resulting from the removal of water
Example sentence • Severe dehydration can be life-threatening.
10 3 noun n noun
• the act of subjugating by cruelty
Example sentence • The country fought for its independence from years of oppression .
11 3 noun n noun
• the failure to develop some part or organ
Example sentence • The government's suppression of free speech is a violation of human rights.
9 3 noun n noun
• a popular trend that attracts growing support
Example sentence • Everyone was jumping on the bandwagon and buying the latest smartphone.
6 2 noun n Example sentence • He wore a pair of sturdy brogans while exploring the hiking trail.
8 3 verb v verb
• lock up or confine, in or as in a jail
Example sentence • They imprison criminals in a maximum security prison.
10 3 noun n noun
• a state of forcible subjugation
Example sentence • The country's political regime is known for its repression of free speech and dissent.
9 3 noun n Example sentence • The vibration of the phone woke me up.
12 5 noun, adjective n, adj noun
• a psychoactive drug that induces hallucinations or altered sensory experiences
Example sentence • LSD is a well-known hallucinogen .
10 4 noun n noun
• any substance that produces cancer
Example sentence • Smoking is a well-known carcinogen .
9 3 adjective adj Example sentence • She wore a beautiful handwoven shawl.
11 3 adjective adj adjective satellite
• (of pets) trained to urinate and defecate outside or in a special place
Example sentence • She adopted a housebroken poodle from the animal shelter.
8 3 adjective adj Example sentence • The new drug is still unproven and needs further testing.
11 4 adjective adj verb
• write by means of a keyboard with types
Example sentence • He handed in a typewritten report for his assignment.
9 3 noun n noun
• the process of combining with water; usually reversible
Example sentence • Proper hydration is important for maintaining good health.
10 3 noun n noun
• a garden plant of the genus Antirrhinum having showy white or yellow or crimson flowers resembling the face of a dragon
Example sentence • I planted some snapdragons in my garden.
7 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 • Ferns are the most common type of acrogen .
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.
9 3 noun n noun
• a compound that can be converted to a pigment
Example sentence • A chromogen is a substance that can be converted into a colored compound.
6 3 noun
• flowering plant with two cotyledons; the stem grows by deposit on its outside
9 3 noun n noun
• any substance (such as thiouracil) that induces the formation of a goiter
Example sentence • Certain vegetables like kale and broccoli contain goitrogens.
7 3 noun n noun
• an agent that triggers mitosis
Example sentence • The scientist used mitogens to stimulate cell division in the experiment.
7 3 noun n noun
• any of a group of compounds that are inactive precursors of enzymes and require some change (such as the hydrolysis of a fragment that masks an active enzyme) to become active
Example sentence • The zymogen is stored in the inactive form until it is needed for digestion.
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