
Description of sildenafil (noun: no plural) the generic name for Viagra; a drug that cures impotence
Samples of sildenafil The chemical sildenafil citrate is the active ingredient in Viagra.
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Description of sexual intercourse (noun: no plural) copulation
Samples of sexual intercourse Sexual intercourse may or may not result in reproduction occurring. Sexual intercourse is defined as the penetration of the penis into the vagina: ejaculation is not required, and the offence is committed as soon as penetration takes place, although it has been held that the offence continues throughout penetration (so that if the woman revokes her consent during intercourse and the man fails to withdraw, he commits rape).
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Description of allergen (noun: plural: allergens) a substance that causes an allergic reaction
Samples of allergen Pollen, animal dander and dust mites can all be allergens.
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Description of saquinavir (noun: no plural) a weak protease inhibitor that is applied in treating HIV; trade name: Invirase
Samples of saquinavir Saquinavir is a synthetic, transition state, peptidomimetic analog which inhibits the HIV protease and thereby prevents the maturation and infectivity of the viral particle.
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Description of levorotatory (adjective) related to an optically active molecule that rotates the plane of polarized light to the left
Samples of levorotatory A substance rotating light toward the left is levorotatory.
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Description of electrolyte (noun: plural: electrolytes) dissolved salt or ions in the body fluids
Samples of electrolyte Sodium and potassium are important electrolytes that regulate cellular processes.
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Description of carrier-mediated active transport (noun) process in which substances are moved across a cell membrane from a region of low concentration to a region of high concentration
Samples of carrier-mediated active transport Carrier-mediated active transport requires energy such as ATP.
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Description of sprain (verb: sprained; sprained; spraining) to overstrain a joint so as to cause ligament injury
Samples of sprain He tripped and sprained his ankle on the way to work this morning.
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Description of hematic (adjective) of blood
Samples of hematic Hematic cells are also known as blood cells.
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Description of chorion (noun: plural: chorions) the external membrane of an embryo
Samples of chorion The chorion has a role in the development of the placenta in humans.
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