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[pen-i-truh nt] /ˈpɛn ɪ trənt/

a person or thing that penetrates.
a compound that penetrates the skin, as a lotion or cream.
a substance that lowers the surface tension of water; wetting agent.
Zoology. a large nematocyst discharging a barbed thread that penetrates the body of the prey and injects a toxic fluid.
sharp; penetrating
(chem) a substance that lowers the surface tension of a liquid and thus causes it to penetrate or be absorbed more easily
a person or thing that penetrates


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    penetrant gene pen·e·trant gene (pěn’ĭ-trənt) n. A gene that causes a trait in a specified genotype to be expressed.

  • Penetrate

    [pen-i-treyt] /ˈpɛn ɪˌtreɪt/ verb (used with object), penetrated, penetrating. 1. to pierce or pass into or through: The bullet penetrated the wall. The fog lights penetrated the mist. 2. to enter the interior of: to penetrate a forest. 3. to enter and diffuse itself through; permeate. 4. to arrive at the truth or meaning of; […]

  • Penetrating

    [pen-i-trey-ting] /ˈpɛn ɪˌtreɪ tɪŋ/ adjective 1. able or tending to ; piercing; sharp: a penetrating shriek; a penetrating glance. 2. acute; discerning: a penetrating observation. 3. Surgery. noting a wound that pierces the skin, especially a deep wound entering an organ or body cavity. [pen-i-treyt] /ˈpɛn ɪˌtreɪt/ verb (used with object), penetrated, penetrating. 1. to […]

  • Penetrating wound

    penetrating wound pen·e·trat·ing wound (pěn’ĭ-trā’tĭng) n. A wound accompanied by disruption of the body surface that extends into the underlying tissue or into a body cavity.

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