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Poltroon

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• Poltroonery

  [pol-troon] /pɒlˈtrun/ noun 1. a wretched coward; craven. adjective 2. marked by utter cowardice. /pɒlˈtruːn/ noun 1. an abject or contemptible coward adjective 2. a rare word for cowardly n. “A coward; a nidgit; a scoundrel” [Johnson, who spells it poltron], 1520s, from Middle French poultron “rascal, coward” (16c., Modern French poltron), from Italian poltrone […]

• Poly

  [pol-ee] /ˈpɒl i/ noun, plural polies. 1. Informal. (def 2): a blend of poly and cotton. 2. a fabric or garment made of polyester. adjective 3. made of or containing polyester: a poly swimsuit. 1. a combining form with the meanings “much, many” and, in chemistry, “polymeric,” used in the formation of compound words: polyandrous; […]

• Polyacid

  [pol-ee-as-id] /ˌpɒl iˈæs ɪd/ Chemistry adjective 1. having more than one replaceable hydrogen atom. 2. capable of reacting with more than one equivalent weight of an . noun 3. an having more than one replaceable hydrogen atom. 4. an oxyacid containing the equivalent of extra molecules of its anhydride, as the polysulfuric , H 2 […]

• Polyacrylamide

  [pol-ee-uh-kril-uh-mahyd, -mid, -ak-ruh-lam-ahyd, -id] /ˌpɒl i əˈkrɪl əˌmaɪd, -mɪd, -ˌæk rəˈlæm aɪd, -ɪd/ noun, Chemistry. 1. a white, solid, water-soluble polymer of , used in secondary oil recovery, as a thickening agent, a flocculant, and an absorbent, and to separate macromolecules of different molecular weights. polyacrylamide (pŏl’ē-ə-krĭl’ə-mīd’) A white, water-soluble polymer containing repeating units of […]

• Polyacrylic-acid

  [pol-ee-uh-kril-ik, pol-] /ˈpɒl i əˈkrɪl ɪk, ˌpɒl-/ noun, Chemistry. 1. a polymer of used as a sizing agent in the manufacture of nylon and other synthetic textiles.

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