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Exam: GRE (Verbal)

pentad

IPA: /ˈpɛn.tæd/

KK: /ˈpɛnˌtæd/

noun

Definition: A collection or set of five items or elements.

Example: The pentad of senses includes sight, hearing, touch, taste, and smell.

pentagon

IPA: /ˈpɛn.tə.ɡɒn/

KK: /ˈpɛntəˌɡɑn/

noun

Definition: A shape with five sides and five angles, or a specific building in Washington, D.C. that houses the U.S. Department of Defense.

Example: The Pentagon is an important symbol of the U.S. military.

pentagonal

IPA: /pɛnˈtæɡənəl/

KK: /pɛnˈtæɡənl/

adjective

Definition: This word describes something that has five sides and five angles, like a shape or figure.

Example: The architect designed a pentagonal building that stood out in the city.

pentagonally

IPA: /ˌpɛntəˈɡɒnəli/

KK: /pɛntəˈgɑnəli/

adverb

Definition: In a shape or manner that has five sides and five angles.

Example: The artist designed the building pentagonally to create a unique look.

pentahedral

IPA: /ˌpɛn.təˈhɛd.rəl/

KK: /pɛnˈteɪhɛdrəl/

adjective

Definition: Describing a shape that has five faces or sides.

Example: The architect designed a pentahedral structure for the new building.

pentahedron

IPA: /ˌpɛn.təˈhiː.drən/

KK: /pɛnˈteɪhɪdrən/

noun

Definition: A three-dimensional shape that has five flat surfaces or faces.

Example: The architect designed a unique building shaped like a pentahedron.

pentane

IPA: //ˈpɛn.teɪn//

KK: /ˈpɛnˌteɪn/

noun

Definition: Pentane is a type of hydrocarbon that consists of five carbon atoms and twelve hydrogen atoms. It is colorless and flammable, and is often found in petroleum. It is used in various applications, including as a solvent.

Example: Pentane is commonly used in laboratories as a solvent for chemical reactions.

pentanol

IPA: //ˈpɛntəˌnɒl//

KK: /ˈpɛntəˌnɔl/

noun

Definition: Pentanol is a type of alcohol that has five carbon atoms in its structure. It is often found in fusel oil and can exist in different forms called isomers.

Example: Pentanol is used in the production of various chemicals and as a solvent.

pentapeptide

IPA: /ˈpɛntəˌpɛptaɪd/

KK: /ˈpɛntəˌpeptaɪd/

noun

Definition: A type of molecule made up of five linked amino acids.

Example: The scientist studied the effects of a specific pentapeptide on cell growth.

pentaploid

IPA: /pɛnˈtæplaɪd/

KK: /pɛnˈtæplaɪd/

adjective

Definition: Describing an organism or cell that has five sets of chromosomes, which is five times the basic number of chromosomes.

Example: The plant species is classified as pentaploid due to its unique chromosome structure.

noun

Definition: An organism or cell that has five sets of chromosomes instead of the usual two sets found in diploid organisms.

Example: The pentaploid plant showed unique characteristics compared to its diploid relatives.

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